Identifier
Mp00010: Binary trees —to ordered tree: left child = left brother⟶ Ordered trees
Mp00049: Ordered trees —to binary tree: left brother = left child⟶ Binary trees
Images
[.,.] => [[]] => [.,.]
[.,[.,.]] => [[[]]] => [.,[.,.]]
[[.,.],.] => [[],[]] => [[.,.],.]
[.,[.,[.,.]]] => [[[[]]]] => [.,[.,[.,.]]]
[.,[[.,.],.]] => [[[],[]]] => [.,[[.,.],.]]
[[.,.],[.,.]] => [[],[[]]] => [[.,.],[.,.]]
[[.,[.,.]],.] => [[[]],[]] => [[.,[.,.]],.]
[[[.,.],.],.] => [[],[],[]] => [[[.,.],.],.]
[.,[.,[.,[.,.]]]] => [[[[[]]]]] => [.,[.,[.,[.,.]]]]
[.,[.,[[.,.],.]]] => [[[[],[]]]] => [.,[.,[[.,.],.]]]
[.,[[.,.],[.,.]]] => [[[],[[]]]] => [.,[[.,.],[.,.]]]
[.,[[.,[.,.]],.]] => [[[[]],[]]] => [.,[[.,[.,.]],.]]
[.,[[[.,.],.],.]] => [[[],[],[]]] => [.,[[[.,.],.],.]]
[[.,.],[.,[.,.]]] => [[],[[[]]]] => [[.,.],[.,[.,.]]]
[[.,.],[[.,.],.]] => [[],[[],[]]] => [[.,.],[[.,.],.]]
[[.,[.,.]],[.,.]] => [[[]],[[]]] => [[.,[.,.]],[.,.]]
[[[.,.],.],[.,.]] => [[],[],[[]]] => [[[.,.],.],[.,.]]
[[.,[.,[.,.]]],.] => [[[[]]],[]] => [[.,[.,[.,.]]],.]
[[.,[[.,.],.]],.] => [[[],[]],[]] => [[.,[[.,.],.]],.]
[[[.,.],[.,.]],.] => [[],[[]],[]] => [[[.,.],[.,.]],.]
[[[.,[.,.]],.],.] => [[[]],[],[]] => [[[.,[.,.]],.],.]
[[[[.,.],.],.],.] => [[],[],[],[]] => [[[[.,.],.],.],.]
[.,[.,[.,[.,[.,.]]]]] => [[[[[[]]]]]] => [.,[.,[.,[.,[.,.]]]]]
[.,[.,[.,[[.,.],.]]]] => [[[[[],[]]]]] => [.,[.,[.,[[.,.],.]]]]
[.,[.,[[.,.],[.,.]]]] => [[[[],[[]]]]] => [.,[.,[[.,.],[.,.]]]]
[.,[.,[[.,[.,.]],.]]] => [[[[[]],[]]]] => [.,[.,[[.,[.,.]],.]]]
[.,[.,[[[.,.],.],.]]] => [[[[],[],[]]]] => [.,[.,[[[.,.],.],.]]]
[.,[[.,.],[.,[.,.]]]] => [[[],[[[]]]]] => [.,[[.,.],[.,[.,.]]]]
[.,[[.,.],[[.,.],.]]] => [[[],[[],[]]]] => [.,[[.,.],[[.,.],.]]]
[.,[[.,[.,.]],[.,.]]] => [[[[]],[[]]]] => [.,[[.,[.,.]],[.,.]]]
[.,[[[.,.],.],[.,.]]] => [[[],[],[[]]]] => [.,[[[.,.],.],[.,.]]]
[.,[[.,[.,[.,.]]],.]] => [[[[[]]],[]]] => [.,[[.,[.,[.,.]]],.]]
[.,[[.,[[.,.],.]],.]] => [[[[],[]],[]]] => [.,[[.,[[.,.],.]],.]]
[.,[[[.,.],[.,.]],.]] => [[[],[[]],[]]] => [.,[[[.,.],[.,.]],.]]
[.,[[[.,[.,.]],.],.]] => [[[[]],[],[]]] => [.,[[[.,[.,.]],.],.]]
[.,[[[[.,.],.],.],.]] => [[[],[],[],[]]] => [.,[[[[.,.],.],.],.]]
[[.,.],[.,[.,[.,.]]]] => [[],[[[[]]]]] => [[.,.],[.,[.,[.,.]]]]
[[.,.],[.,[[.,.],.]]] => [[],[[[],[]]]] => [[.,.],[.,[[.,.],.]]]
[[.,.],[[.,.],[.,.]]] => [[],[[],[[]]]] => [[.,.],[[.,.],[.,.]]]
[[.,.],[[.,[.,.]],.]] => [[],[[[]],[]]] => [[.,.],[[.,[.,.]],.]]
[[.,.],[[[.,.],.],.]] => [[],[[],[],[]]] => [[.,.],[[[.,.],.],.]]
[[.,[.,.]],[.,[.,.]]] => [[[]],[[[]]]] => [[.,[.,.]],[.,[.,.]]]
[[.,[.,.]],[[.,.],.]] => [[[]],[[],[]]] => [[.,[.,.]],[[.,.],.]]
[[[.,.],.],[.,[.,.]]] => [[],[],[[[]]]] => [[[.,.],.],[.,[.,.]]]
[[[.,.],.],[[.,.],.]] => [[],[],[[],[]]] => [[[.,.],.],[[.,.],.]]
[[.,[.,[.,.]]],[.,.]] => [[[[]]],[[]]] => [[.,[.,[.,.]]],[.,.]]
[[.,[[.,.],.]],[.,.]] => [[[],[]],[[]]] => [[.,[[.,.],.]],[.,.]]
[[[.,.],[.,.]],[.,.]] => [[],[[]],[[]]] => [[[.,.],[.,.]],[.,.]]
[[[.,[.,.]],.],[.,.]] => [[[]],[],[[]]] => [[[.,[.,.]],.],[.,.]]
[[[[.,.],.],.],[.,.]] => [[],[],[],[[]]] => [[[[.,.],.],.],[.,.]]
[[.,[.,[.,[.,.]]]],.] => [[[[[]]]],[]] => [[.,[.,[.,[.,.]]]],.]
[[.,[.,[[.,.],.]]],.] => [[[[],[]]],[]] => [[.,[.,[[.,.],.]]],.]
[[.,[[.,.],[.,.]]],.] => [[[],[[]]],[]] => [[.,[[.,.],[.,.]]],.]
[[.,[[.,[.,.]],.]],.] => [[[[]],[]],[]] => [[.,[[.,[.,.]],.]],.]
[[.,[[[.,.],.],.]],.] => [[[],[],[]],[]] => [[.,[[[.,.],.],.]],.]
[[[.,.],[.,[.,.]]],.] => [[],[[[]]],[]] => [[[.,.],[.,[.,.]]],.]
[[[.,.],[[.,.],.]],.] => [[],[[],[]],[]] => [[[.,.],[[.,.],.]],.]
[[[.,[.,.]],[.,.]],.] => [[[]],[[]],[]] => [[[.,[.,.]],[.,.]],.]
[[[[.,.],.],[.,.]],.] => [[],[],[[]],[]] => [[[[.,.],.],[.,.]],.]
[[[.,[.,[.,.]]],.],.] => [[[[]]],[],[]] => [[[.,[.,[.,.]]],.],.]
[[[.,[[.,.],.]],.],.] => [[[],[]],[],[]] => [[[.,[[.,.],.]],.],.]
[[[[.,.],[.,.]],.],.] => [[],[[]],[],[]] => [[[[.,.],[.,.]],.],.]
[[[[.,[.,.]],.],.],.] => [[[]],[],[],[]] => [[[[.,[.,.]],.],.],.]
[[[[[.,.],.],.],.],.] => [[],[],[],[],[]] => [[[[[.,.],.],.],.],.]
[.,[.,[.,[.,[.,[.,.]]]]]] => [[[[[[[]]]]]]] => [.,[.,[.,[.,[.,[.,.]]]]]]
[.,[.,[.,[.,[[.,.],.]]]]] => [[[[[[],[]]]]]] => [.,[.,[.,[.,[[.,.],.]]]]]
[.,[.,[.,[[.,.],[.,.]]]]] => [[[[[],[[]]]]]] => [.,[.,[.,[[.,.],[.,.]]]]]
[.,[.,[.,[[.,[.,.]],.]]]] => [[[[[[]],[]]]]] => [.,[.,[.,[[.,[.,.]],.]]]]
[.,[.,[.,[[[.,.],.],.]]]] => [[[[[],[],[]]]]] => [.,[.,[.,[[[.,.],.],.]]]]
[.,[.,[[.,.],[.,[.,.]]]]] => [[[[],[[[]]]]]] => [.,[.,[[.,.],[.,[.,.]]]]]
[.,[.,[[.,.],[[.,.],.]]]] => [[[[],[[],[]]]]] => [.,[.,[[.,.],[[.,.],.]]]]
[.,[.,[[.,[.,.]],[.,.]]]] => [[[[[]],[[]]]]] => [.,[.,[[.,[.,.]],[.,.]]]]
[.,[.,[[[.,.],.],[.,.]]]] => [[[[],[],[[]]]]] => [.,[.,[[[.,.],.],[.,.]]]]
[.,[.,[[.,[.,[.,.]]],.]]] => [[[[[[]]],[]]]] => [.,[.,[[.,[.,[.,.]]],.]]]
[.,[.,[[.,[[.,.],.]],.]]] => [[[[[],[]],[]]]] => [.,[.,[[.,[[.,.],.]],.]]]
[.,[.,[[[.,.],[.,.]],.]]] => [[[[],[[]],[]]]] => [.,[.,[[[.,.],[.,.]],.]]]
[.,[.,[[[.,[.,.]],.],.]]] => [[[[[]],[],[]]]] => [.,[.,[[[.,[.,.]],.],.]]]
[.,[.,[[[[.,.],.],.],.]]] => [[[[],[],[],[]]]] => [.,[.,[[[[.,.],.],.],.]]]
[.,[[.,.],[.,[.,[.,.]]]]] => [[[],[[[[]]]]]] => [.,[[.,.],[.,[.,[.,.]]]]]
[.,[[.,.],[.,[[.,.],.]]]] => [[[],[[[],[]]]]] => [.,[[.,.],[.,[[.,.],.]]]]
[.,[[.,.],[[.,.],[.,.]]]] => [[[],[[],[[]]]]] => [.,[[.,.],[[.,.],[.,.]]]]
[.,[[.,.],[[.,[.,.]],.]]] => [[[],[[[]],[]]]] => [.,[[.,.],[[.,[.,.]],.]]]
[.,[[.,.],[[[.,.],.],.]]] => [[[],[[],[],[]]]] => [.,[[.,.],[[[.,.],.],.]]]
[.,[[.,[.,.]],[.,[.,.]]]] => [[[[]],[[[]]]]] => [.,[[.,[.,.]],[.,[.,.]]]]
[.,[[.,[.,.]],[[.,.],.]]] => [[[[]],[[],[]]]] => [.,[[.,[.,.]],[[.,.],.]]]
[.,[[[.,.],.],[.,[.,.]]]] => [[[],[],[[[]]]]] => [.,[[[.,.],.],[.,[.,.]]]]
[.,[[[.,.],.],[[.,.],.]]] => [[[],[],[[],[]]]] => [.,[[[.,.],.],[[.,.],.]]]
[.,[[.,[.,[.,.]]],[.,.]]] => [[[[[]]],[[]]]] => [.,[[.,[.,[.,.]]],[.,.]]]
[.,[[.,[[.,.],.]],[.,.]]] => [[[[],[]],[[]]]] => [.,[[.,[[.,.],.]],[.,.]]]
[.,[[[.,.],[.,.]],[.,.]]] => [[[],[[]],[[]]]] => [.,[[[.,.],[.,.]],[.,.]]]
[.,[[[.,[.,.]],.],[.,.]]] => [[[[]],[],[[]]]] => [.,[[[.,[.,.]],.],[.,.]]]
[.,[[[[.,.],.],.],[.,.]]] => [[[],[],[],[[]]]] => [.,[[[[.,.],.],.],[.,.]]]
[.,[[.,[.,[.,[.,.]]]],.]] => [[[[[[]]]],[]]] => [.,[[.,[.,[.,[.,.]]]],.]]
[.,[[.,[.,[[.,.],.]]],.]] => [[[[[],[]]],[]]] => [.,[[.,[.,[[.,.],.]]],.]]
[.,[[.,[[.,.],[.,.]]],.]] => [[[[],[[]]],[]]] => [.,[[.,[[.,.],[.,.]]],.]]
[.,[[.,[[.,[.,.]],.]],.]] => [[[[[]],[]],[]]] => [.,[[.,[[.,[.,.]],.]],.]]
[.,[[.,[[[.,.],.],.]],.]] => [[[[],[],[]],[]]] => [.,[[.,[[[.,.],.],.]],.]]
[.,[[[.,.],[.,[.,.]]],.]] => [[[],[[[]]],[]]] => [.,[[[.,.],[.,[.,.]]],.]]
[.,[[[.,.],[[.,.],.]],.]] => [[[],[[],[]],[]]] => [.,[[[.,.],[[.,.],.]],.]]
[.,[[[.,[.,.]],[.,.]],.]] => [[[[]],[[]],[]]] => [.,[[[.,[.,.]],[.,.]],.]]
[.,[[[[.,.],.],[.,.]],.]] => [[[],[],[[]],[]]] => [.,[[[[.,.],.],[.,.]],.]]
>>> Load all 2055 entries. <<<
[.,[[[.,[.,[.,.]]],.],.]] => [[[[[]]],[],[]]] => [.,[[[.,[.,[.,.]]],.],.]]
[.,[[[.,[[.,.],.]],.],.]] => [[[[],[]],[],[]]] => [.,[[[.,[[.,.],.]],.],.]]
[.,[[[[.,.],[.,.]],.],.]] => [[[],[[]],[],[]]] => [.,[[[[.,.],[.,.]],.],.]]
[.,[[[[.,[.,.]],.],.],.]] => [[[[]],[],[],[]]] => [.,[[[[.,[.,.]],.],.],.]]
[.,[[[[[.,.],.],.],.],.]] => [[[],[],[],[],[]]] => [.,[[[[[.,.],.],.],.],.]]
[[.,.],[.,[.,[.,[.,.]]]]] => [[],[[[[[]]]]]] => [[.,.],[.,[.,[.,[.,.]]]]]
[[.,.],[.,[.,[[.,.],.]]]] => [[],[[[[],[]]]]] => [[.,.],[.,[.,[[.,.],.]]]]
[[.,.],[.,[[.,.],[.,.]]]] => [[],[[[],[[]]]]] => [[.,.],[.,[[.,.],[.,.]]]]
[[.,.],[.,[[.,[.,.]],.]]] => [[],[[[[]],[]]]] => [[.,.],[.,[[.,[.,.]],.]]]
[[.,.],[.,[[[.,.],.],.]]] => [[],[[[],[],[]]]] => [[.,.],[.,[[[.,.],.],.]]]
[[.,.],[[.,.],[.,[.,.]]]] => [[],[[],[[[]]]]] => [[.,.],[[.,.],[.,[.,.]]]]
[[.,.],[[.,.],[[.,.],.]]] => [[],[[],[[],[]]]] => [[.,.],[[.,.],[[.,.],.]]]
[[.,.],[[.,[.,.]],[.,.]]] => [[],[[[]],[[]]]] => [[.,.],[[.,[.,.]],[.,.]]]
[[.,.],[[[.,.],.],[.,.]]] => [[],[[],[],[[]]]] => [[.,.],[[[.,.],.],[.,.]]]
[[.,.],[[.,[.,[.,.]]],.]] => [[],[[[[]]],[]]] => [[.,.],[[.,[.,[.,.]]],.]]
[[.,.],[[.,[[.,.],.]],.]] => [[],[[[],[]],[]]] => [[.,.],[[.,[[.,.],.]],.]]
[[.,.],[[[.,.],[.,.]],.]] => [[],[[],[[]],[]]] => [[.,.],[[[.,.],[.,.]],.]]
[[.,.],[[[.,[.,.]],.],.]] => [[],[[[]],[],[]]] => [[.,.],[[[.,[.,.]],.],.]]
[[.,.],[[[[.,.],.],.],.]] => [[],[[],[],[],[]]] => [[.,.],[[[[.,.],.],.],.]]
[[.,[.,.]],[.,[.,[.,.]]]] => [[[]],[[[[]]]]] => [[.,[.,.]],[.,[.,[.,.]]]]
[[.,[.,.]],[.,[[.,.],.]]] => [[[]],[[[],[]]]] => [[.,[.,.]],[.,[[.,.],.]]]
[[.,[.,.]],[[.,.],[.,.]]] => [[[]],[[],[[]]]] => [[.,[.,.]],[[.,.],[.,.]]]
[[.,[.,.]],[[.,[.,.]],.]] => [[[]],[[[]],[]]] => [[.,[.,.]],[[.,[.,.]],.]]
[[.,[.,.]],[[[.,.],.],.]] => [[[]],[[],[],[]]] => [[.,[.,.]],[[[.,.],.],.]]
[[[.,.],.],[.,[.,[.,.]]]] => [[],[],[[[[]]]]] => [[[.,.],.],[.,[.,[.,.]]]]
[[[.,.],.],[.,[[.,.],.]]] => [[],[],[[[],[]]]] => [[[.,.],.],[.,[[.,.],.]]]
[[[.,.],.],[[.,.],[.,.]]] => [[],[],[[],[[]]]] => [[[.,.],.],[[.,.],[.,.]]]
[[[.,.],.],[[.,[.,.]],.]] => [[],[],[[[]],[]]] => [[[.,.],.],[[.,[.,.]],.]]
[[[.,.],.],[[[.,.],.],.]] => [[],[],[[],[],[]]] => [[[.,.],.],[[[.,.],.],.]]
[[.,[.,[.,.]]],[.,[.,.]]] => [[[[]]],[[[]]]] => [[.,[.,[.,.]]],[.,[.,.]]]
[[.,[.,[.,.]]],[[.,.],.]] => [[[[]]],[[],[]]] => [[.,[.,[.,.]]],[[.,.],.]]
[[.,[[.,.],.]],[.,[.,.]]] => [[[],[]],[[[]]]] => [[.,[[.,.],.]],[.,[.,.]]]
[[.,[[.,.],.]],[[.,.],.]] => [[[],[]],[[],[]]] => [[.,[[.,.],.]],[[.,.],.]]
[[[.,.],[.,.]],[.,[.,.]]] => [[],[[]],[[[]]]] => [[[.,.],[.,.]],[.,[.,.]]]
[[[.,.],[.,.]],[[.,.],.]] => [[],[[]],[[],[]]] => [[[.,.],[.,.]],[[.,.],.]]
[[[.,[.,.]],.],[.,[.,.]]] => [[[]],[],[[[]]]] => [[[.,[.,.]],.],[.,[.,.]]]
[[[.,[.,.]],.],[[.,.],.]] => [[[]],[],[[],[]]] => [[[.,[.,.]],.],[[.,.],.]]
[[[[.,.],.],.],[.,[.,.]]] => [[],[],[],[[[]]]] => [[[[.,.],.],.],[.,[.,.]]]
[[[[.,.],.],.],[[.,.],.]] => [[],[],[],[[],[]]] => [[[[.,.],.],.],[[.,.],.]]
[[.,[.,[.,[.,.]]]],[.,.]] => [[[[[]]]],[[]]] => [[.,[.,[.,[.,.]]]],[.,.]]
[[.,[.,[[.,.],.]]],[.,.]] => [[[[],[]]],[[]]] => [[.,[.,[[.,.],.]]],[.,.]]
[[.,[[.,.],[.,.]]],[.,.]] => [[[],[[]]],[[]]] => [[.,[[.,.],[.,.]]],[.,.]]
[[.,[[.,[.,.]],.]],[.,.]] => [[[[]],[]],[[]]] => [[.,[[.,[.,.]],.]],[.,.]]
[[.,[[[.,.],.],.]],[.,.]] => [[[],[],[]],[[]]] => [[.,[[[.,.],.],.]],[.,.]]
[[[.,.],[.,[.,.]]],[.,.]] => [[],[[[]]],[[]]] => [[[.,.],[.,[.,.]]],[.,.]]
[[[.,.],[[.,.],.]],[.,.]] => [[],[[],[]],[[]]] => [[[.,.],[[.,.],.]],[.,.]]
[[[.,[.,.]],[.,.]],[.,.]] => [[[]],[[]],[[]]] => [[[.,[.,.]],[.,.]],[.,.]]
[[[[.,.],.],[.,.]],[.,.]] => [[],[],[[]],[[]]] => [[[[.,.],.],[.,.]],[.,.]]
[[[.,[.,[.,.]]],.],[.,.]] => [[[[]]],[],[[]]] => [[[.,[.,[.,.]]],.],[.,.]]
[[[.,[[.,.],.]],.],[.,.]] => [[[],[]],[],[[]]] => [[[.,[[.,.],.]],.],[.,.]]
[[[[.,.],[.,.]],.],[.,.]] => [[],[[]],[],[[]]] => [[[[.,.],[.,.]],.],[.,.]]
[[[[.,[.,.]],.],.],[.,.]] => [[[]],[],[],[[]]] => [[[[.,[.,.]],.],.],[.,.]]
[[[[[.,.],.],.],.],[.,.]] => [[],[],[],[],[[]]] => [[[[[.,.],.],.],.],[.,.]]
[[.,[.,[.,[.,[.,.]]]]],.] => [[[[[[]]]]],[]] => [[.,[.,[.,[.,[.,.]]]]],.]
[[.,[.,[.,[[.,.],.]]]],.] => [[[[[],[]]]],[]] => [[.,[.,[.,[[.,.],.]]]],.]
[[.,[.,[[.,.],[.,.]]]],.] => [[[[],[[]]]],[]] => [[.,[.,[[.,.],[.,.]]]],.]
[[.,[.,[[.,[.,.]],.]]],.] => [[[[[]],[]]],[]] => [[.,[.,[[.,[.,.]],.]]],.]
[[.,[.,[[[.,.],.],.]]],.] => [[[[],[],[]]],[]] => [[.,[.,[[[.,.],.],.]]],.]
[[.,[[.,.],[.,[.,.]]]],.] => [[[],[[[]]]],[]] => [[.,[[.,.],[.,[.,.]]]],.]
[[.,[[.,.],[[.,.],.]]],.] => [[[],[[],[]]],[]] => [[.,[[.,.],[[.,.],.]]],.]
[[.,[[.,[.,.]],[.,.]]],.] => [[[[]],[[]]],[]] => [[.,[[.,[.,.]],[.,.]]],.]
[[.,[[[.,.],.],[.,.]]],.] => [[[],[],[[]]],[]] => [[.,[[[.,.],.],[.,.]]],.]
[[.,[[.,[.,[.,.]]],.]],.] => [[[[[]]],[]],[]] => [[.,[[.,[.,[.,.]]],.]],.]
[[.,[[.,[[.,.],.]],.]],.] => [[[[],[]],[]],[]] => [[.,[[.,[[.,.],.]],.]],.]
[[.,[[[.,.],[.,.]],.]],.] => [[[],[[]],[]],[]] => [[.,[[[.,.],[.,.]],.]],.]
[[.,[[[.,[.,.]],.],.]],.] => [[[[]],[],[]],[]] => [[.,[[[.,[.,.]],.],.]],.]
[[.,[[[[.,.],.],.],.]],.] => [[[],[],[],[]],[]] => [[.,[[[[.,.],.],.],.]],.]
[[[.,.],[.,[.,[.,.]]]],.] => [[],[[[[]]]],[]] => [[[.,.],[.,[.,[.,.]]]],.]
[[[.,.],[.,[[.,.],.]]],.] => [[],[[[],[]]],[]] => [[[.,.],[.,[[.,.],.]]],.]
[[[.,.],[[.,.],[.,.]]],.] => [[],[[],[[]]],[]] => [[[.,.],[[.,.],[.,.]]],.]
[[[.,.],[[.,[.,.]],.]],.] => [[],[[[]],[]],[]] => [[[.,.],[[.,[.,.]],.]],.]
[[[.,.],[[[.,.],.],.]],.] => [[],[[],[],[]],[]] => [[[.,.],[[[.,.],.],.]],.]
[[[.,[.,.]],[.,[.,.]]],.] => [[[]],[[[]]],[]] => [[[.,[.,.]],[.,[.,.]]],.]
[[[.,[.,.]],[[.,.],.]],.] => [[[]],[[],[]],[]] => [[[.,[.,.]],[[.,.],.]],.]
[[[[.,.],.],[.,[.,.]]],.] => [[],[],[[[]]],[]] => [[[[.,.],.],[.,[.,.]]],.]
[[[[.,.],.],[[.,.],.]],.] => [[],[],[[],[]],[]] => [[[[.,.],.],[[.,.],.]],.]
[[[.,[.,[.,.]]],[.,.]],.] => [[[[]]],[[]],[]] => [[[.,[.,[.,.]]],[.,.]],.]
[[[.,[[.,.],.]],[.,.]],.] => [[[],[]],[[]],[]] => [[[.,[[.,.],.]],[.,.]],.]
[[[[.,.],[.,.]],[.,.]],.] => [[],[[]],[[]],[]] => [[[[.,.],[.,.]],[.,.]],.]
[[[[.,[.,.]],.],[.,.]],.] => [[[]],[],[[]],[]] => [[[[.,[.,.]],.],[.,.]],.]
[[[[[.,.],.],.],[.,.]],.] => [[],[],[],[[]],[]] => [[[[[.,.],.],.],[.,.]],.]
[[[.,[.,[.,[.,.]]]],.],.] => [[[[[]]]],[],[]] => [[[.,[.,[.,[.,.]]]],.],.]
[[[.,[.,[[.,.],.]]],.],.] => [[[[],[]]],[],[]] => [[[.,[.,[[.,.],.]]],.],.]
[[[.,[[.,.],[.,.]]],.],.] => [[[],[[]]],[],[]] => [[[.,[[.,.],[.,.]]],.],.]
[[[.,[[.,[.,.]],.]],.],.] => [[[[]],[]],[],[]] => [[[.,[[.,[.,.]],.]],.],.]
[[[.,[[[.,.],.],.]],.],.] => [[[],[],[]],[],[]] => [[[.,[[[.,.],.],.]],.],.]
[[[[.,.],[.,[.,.]]],.],.] => [[],[[[]]],[],[]] => [[[[.,.],[.,[.,.]]],.],.]
[[[[.,.],[[.,.],.]],.],.] => [[],[[],[]],[],[]] => [[[[.,.],[[.,.],.]],.],.]
[[[[.,[.,.]],[.,.]],.],.] => [[[]],[[]],[],[]] => [[[[.,[.,.]],[.,.]],.],.]
[[[[[.,.],.],[.,.]],.],.] => [[],[],[[]],[],[]] => [[[[[.,.],.],[.,.]],.],.]
[[[[.,[.,[.,.]]],.],.],.] => [[[[]]],[],[],[]] => [[[[.,[.,[.,.]]],.],.],.]
[[[[.,[[.,.],.]],.],.],.] => [[[],[]],[],[],[]] => [[[[.,[[.,.],.]],.],.],.]
[[[[[.,.],[.,.]],.],.],.] => [[],[[]],[],[],[]] => [[[[[.,.],[.,.]],.],.],.]
[[[[[.,[.,.]],.],.],.],.] => [[[]],[],[],[],[]] => [[[[[.,[.,.]],.],.],.],.]
[[[[[[.,.],.],.],.],.],.] => [[],[],[],[],[],[]] => [[[[[[.,.],.],.],.],.],.]
[.,[.,[.,[.,[.,[.,[.,.]]]]]]] => [[[[[[[[]]]]]]]] => [.,[.,[.,[.,[.,[.,[.,.]]]]]]]
[.,[.,[.,[.,[.,[[.,.],.]]]]]] => [[[[[[[],[]]]]]]] => [.,[.,[.,[.,[.,[[.,.],.]]]]]]
[.,[.,[.,[.,[[.,.],[.,.]]]]]] => [[[[[[],[[]]]]]]] => [.,[.,[.,[.,[[.,.],[.,.]]]]]]
[.,[.,[.,[.,[[.,[.,.]],.]]]]] => [[[[[[[]],[]]]]]] => [.,[.,[.,[.,[[.,[.,.]],.]]]]]
[.,[.,[.,[.,[[[.,.],.],.]]]]] => [[[[[[],[],[]]]]]] => [.,[.,[.,[.,[[[.,.],.],.]]]]]
[.,[.,[.,[[.,.],[.,[.,.]]]]]] => [[[[[],[[[]]]]]]] => [.,[.,[.,[[.,.],[.,[.,.]]]]]]
[.,[.,[.,[[.,.],[[.,.],.]]]]] => [[[[[],[[],[]]]]]] => [.,[.,[.,[[.,.],[[.,.],.]]]]]
[.,[.,[.,[[.,[.,.]],[.,.]]]]] => [[[[[[]],[[]]]]]] => [.,[.,[.,[[.,[.,.]],[.,.]]]]]
[.,[.,[.,[[[.,.],.],[.,.]]]]] => [[[[[],[],[[]]]]]] => [.,[.,[.,[[[.,.],.],[.,.]]]]]
[.,[.,[.,[[.,[.,[.,.]]],.]]]] => [[[[[[[]]],[]]]]] => [.,[.,[.,[[.,[.,[.,.]]],.]]]]
[.,[.,[.,[[.,[[.,.],.]],.]]]] => [[[[[[],[]],[]]]]] => [.,[.,[.,[[.,[[.,.],.]],.]]]]
[.,[.,[.,[[[.,.],[.,.]],.]]]] => [[[[[],[[]],[]]]]] => [.,[.,[.,[[[.,.],[.,.]],.]]]]
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[[.,[.,.]],[[.,[.,[.,.]]],.]] => [[[]],[[[[]]],[]]] => [[.,[.,.]],[[.,[.,[.,.]]],.]]
[[.,[.,.]],[[.,[[.,.],.]],.]] => [[[]],[[[],[]],[]]] => [[.,[.,.]],[[.,[[.,.],.]],.]]
[[.,[.,.]],[[[.,.],[.,.]],.]] => [[[]],[[],[[]],[]]] => [[.,[.,.]],[[[.,.],[.,.]],.]]
[[.,[.,.]],[[[.,[.,.]],.],.]] => [[[]],[[[]],[],[]]] => [[.,[.,.]],[[[.,[.,.]],.],.]]
[[.,[.,.]],[[[[.,.],.],.],.]] => [[[]],[[],[],[],[]]] => [[.,[.,.]],[[[[.,.],.],.],.]]
[[[.,.],.],[.,[.,[.,[.,.]]]]] => [[],[],[[[[[]]]]]] => [[[.,.],.],[.,[.,[.,[.,.]]]]]
[[[.,.],.],[.,[.,[[.,.],.]]]] => [[],[],[[[[],[]]]]] => [[[.,.],.],[.,[.,[[.,.],.]]]]
[[[.,.],.],[.,[[.,.],[.,.]]]] => [[],[],[[[],[[]]]]] => [[[.,.],.],[.,[[.,.],[.,.]]]]
[[[.,.],.],[.,[[.,[.,.]],.]]] => [[],[],[[[[]],[]]]] => [[[.,.],.],[.,[[.,[.,.]],.]]]
[[[.,.],.],[.,[[[.,.],.],.]]] => [[],[],[[[],[],[]]]] => [[[.,.],.],[.,[[[.,.],.],.]]]
[[[.,.],.],[[.,.],[.,[.,.]]]] => [[],[],[[],[[[]]]]] => [[[.,.],.],[[.,.],[.,[.,.]]]]
[[[.,.],.],[[.,.],[[.,.],.]]] => [[],[],[[],[[],[]]]] => [[[.,.],.],[[.,.],[[.,.],.]]]
[[[.,.],.],[[.,[.,.]],[.,.]]] => [[],[],[[[]],[[]]]] => [[[.,.],.],[[.,[.,.]],[.,.]]]
[[[.,.],.],[[[.,.],.],[.,.]]] => [[],[],[[],[],[[]]]] => [[[.,.],.],[[[.,.],.],[.,.]]]
[[[.,.],.],[[.,[.,[.,.]]],.]] => [[],[],[[[[]]],[]]] => [[[.,.],.],[[.,[.,[.,.]]],.]]
[[[.,.],.],[[.,[[.,.],.]],.]] => [[],[],[[[],[]],[]]] => [[[.,.],.],[[.,[[.,.],.]],.]]
[[[.,.],.],[[[.,.],[.,.]],.]] => [[],[],[[],[[]],[]]] => [[[.,.],.],[[[.,.],[.,.]],.]]
[[[.,.],.],[[[.,[.,.]],.],.]] => [[],[],[[[]],[],[]]] => [[[.,.],.],[[[.,[.,.]],.],.]]
[[[.,.],.],[[[[.,.],.],.],.]] => [[],[],[[],[],[],[]]] => [[[.,.],.],[[[[.,.],.],.],.]]
[[.,[.,[.,.]]],[.,[.,[.,.]]]] => [[[[]]],[[[[]]]]] => [[.,[.,[.,.]]],[.,[.,[.,.]]]]
[[.,[.,[.,.]]],[.,[[.,.],.]]] => [[[[]]],[[[],[]]]] => [[.,[.,[.,.]]],[.,[[.,.],.]]]
[[.,[.,[.,.]]],[[.,.],[.,.]]] => [[[[]]],[[],[[]]]] => [[.,[.,[.,.]]],[[.,.],[.,.]]]
[[.,[.,[.,.]]],[[.,[.,.]],.]] => [[[[]]],[[[]],[]]] => [[.,[.,[.,.]]],[[.,[.,.]],.]]
[[.,[.,[.,.]]],[[[.,.],.],.]] => [[[[]]],[[],[],[]]] => [[.,[.,[.,.]]],[[[.,.],.],.]]
[[.,[[.,.],.]],[.,[.,[.,.]]]] => [[[],[]],[[[[]]]]] => [[.,[[.,.],.]],[.,[.,[.,.]]]]
[[.,[[.,.],.]],[.,[[.,.],.]]] => [[[],[]],[[[],[]]]] => [[.,[[.,.],.]],[.,[[.,.],.]]]
[[.,[[.,.],.]],[[.,.],[.,.]]] => [[[],[]],[[],[[]]]] => [[.,[[.,.],.]],[[.,.],[.,.]]]
[[.,[[.,.],.]],[[.,[.,.]],.]] => [[[],[]],[[[]],[]]] => [[.,[[.,.],.]],[[.,[.,.]],.]]
[[.,[[.,.],.]],[[[.,.],.],.]] => [[[],[]],[[],[],[]]] => [[.,[[.,.],.]],[[[.,.],.],.]]
[[[.,.],[.,.]],[.,[.,[.,.]]]] => [[],[[]],[[[[]]]]] => [[[.,.],[.,.]],[.,[.,[.,.]]]]
[[[.,.],[.,.]],[.,[[.,.],.]]] => [[],[[]],[[[],[]]]] => [[[.,.],[.,.]],[.,[[.,.],.]]]
[[[.,.],[.,.]],[[.,.],[.,.]]] => [[],[[]],[[],[[]]]] => [[[.,.],[.,.]],[[.,.],[.,.]]]
[[[.,.],[.,.]],[[.,[.,.]],.]] => [[],[[]],[[[]],[]]] => [[[.,.],[.,.]],[[.,[.,.]],.]]
[[[.,.],[.,.]],[[[.,.],.],.]] => [[],[[]],[[],[],[]]] => [[[.,.],[.,.]],[[[.,.],.],.]]
[[[.,[.,.]],.],[.,[.,[.,.]]]] => [[[]],[],[[[[]]]]] => [[[.,[.,.]],.],[.,[.,[.,.]]]]
[[[.,[.,.]],.],[.,[[.,.],.]]] => [[[]],[],[[[],[]]]] => [[[.,[.,.]],.],[.,[[.,.],.]]]
[[[.,[.,.]],.],[[.,.],[.,.]]] => [[[]],[],[[],[[]]]] => [[[.,[.,.]],.],[[.,.],[.,.]]]
[[[.,[.,.]],.],[[.,[.,.]],.]] => [[[]],[],[[[]],[]]] => [[[.,[.,.]],.],[[.,[.,.]],.]]
[[[.,[.,.]],.],[[[.,.],.],.]] => [[[]],[],[[],[],[]]] => [[[.,[.,.]],.],[[[.,.],.],.]]
[[[[.,.],.],.],[.,[.,[.,.]]]] => [[],[],[],[[[[]]]]] => [[[[.,.],.],.],[.,[.,[.,.]]]]
[[[[.,.],.],.],[.,[[.,.],.]]] => [[],[],[],[[[],[]]]] => [[[[.,.],.],.],[.,[[.,.],.]]]
[[[[.,.],.],.],[[.,.],[.,.]]] => [[],[],[],[[],[[]]]] => [[[[.,.],.],.],[[.,.],[.,.]]]
[[[[.,.],.],.],[[.,[.,.]],.]] => [[],[],[],[[[]],[]]] => [[[[.,.],.],.],[[.,[.,.]],.]]
[[[[.,.],.],.],[[[.,.],.],.]] => [[],[],[],[[],[],[]]] => [[[[.,.],.],.],[[[.,.],.],.]]
[[.,[.,[.,[.,.]]]],[.,[.,.]]] => [[[[[]]]],[[[]]]] => [[.,[.,[.,[.,.]]]],[.,[.,.]]]
[[.,[.,[.,[.,.]]]],[[.,.],.]] => [[[[[]]]],[[],[]]] => [[.,[.,[.,[.,.]]]],[[.,.],.]]
[[.,[.,[[.,.],.]]],[.,[.,.]]] => [[[[],[]]],[[[]]]] => [[.,[.,[[.,.],.]]],[.,[.,.]]]
[[.,[.,[[.,.],.]]],[[.,.],.]] => [[[[],[]]],[[],[]]] => [[.,[.,[[.,.],.]]],[[.,.],.]]
[[.,[[.,.],[.,.]]],[.,[.,.]]] => [[[],[[]]],[[[]]]] => [[.,[[.,.],[.,.]]],[.,[.,.]]]
[[.,[[.,.],[.,.]]],[[.,.],.]] => [[[],[[]]],[[],[]]] => [[.,[[.,.],[.,.]]],[[.,.],.]]
[[.,[[.,[.,.]],.]],[.,[.,.]]] => [[[[]],[]],[[[]]]] => [[.,[[.,[.,.]],.]],[.,[.,.]]]
[[.,[[.,[.,.]],.]],[[.,.],.]] => [[[[]],[]],[[],[]]] => [[.,[[.,[.,.]],.]],[[.,.],.]]
[[.,[[[.,.],.],.]],[.,[.,.]]] => [[[],[],[]],[[[]]]] => [[.,[[[.,.],.],.]],[.,[.,.]]]
[[.,[[[.,.],.],.]],[[.,.],.]] => [[[],[],[]],[[],[]]] => [[.,[[[.,.],.],.]],[[.,.],.]]
[[[.,.],[.,[.,.]]],[.,[.,.]]] => [[],[[[]]],[[[]]]] => [[[.,.],[.,[.,.]]],[.,[.,.]]]
[[[.,.],[.,[.,.]]],[[.,.],.]] => [[],[[[]]],[[],[]]] => [[[.,.],[.,[.,.]]],[[.,.],.]]
[[[.,.],[[.,.],.]],[.,[.,.]]] => [[],[[],[]],[[[]]]] => [[[.,.],[[.,.],.]],[.,[.,.]]]
[[[.,.],[[.,.],.]],[[.,.],.]] => [[],[[],[]],[[],[]]] => [[[.,.],[[.,.],.]],[[.,.],.]]
[[[.,[.,.]],[.,.]],[.,[.,.]]] => [[[]],[[]],[[[]]]] => [[[.,[.,.]],[.,.]],[.,[.,.]]]
[[[.,[.,.]],[.,.]],[[.,.],.]] => [[[]],[[]],[[],[]]] => [[[.,[.,.]],[.,.]],[[.,.],.]]
[[[[.,.],.],[.,.]],[.,[.,.]]] => [[],[],[[]],[[[]]]] => [[[[.,.],.],[.,.]],[.,[.,.]]]
[[[[.,.],.],[.,.]],[[.,.],.]] => [[],[],[[]],[[],[]]] => [[[[.,.],.],[.,.]],[[.,.],.]]
[[[.,[.,[.,.]]],.],[.,[.,.]]] => [[[[]]],[],[[[]]]] => [[[.,[.,[.,.]]],.],[.,[.,.]]]
[[[.,[.,[.,.]]],.],[[.,.],.]] => [[[[]]],[],[[],[]]] => [[[.,[.,[.,.]]],.],[[.,.],.]]
[[[.,[[.,.],.]],.],[.,[.,.]]] => [[[],[]],[],[[[]]]] => [[[.,[[.,.],.]],.],[.,[.,.]]]
[[[.,[[.,.],.]],.],[[.,.],.]] => [[[],[]],[],[[],[]]] => [[[.,[[.,.],.]],.],[[.,.],.]]
[[[[.,.],[.,.]],.],[.,[.,.]]] => [[],[[]],[],[[[]]]] => [[[[.,.],[.,.]],.],[.,[.,.]]]
[[[[.,.],[.,.]],.],[[.,.],.]] => [[],[[]],[],[[],[]]] => [[[[.,.],[.,.]],.],[[.,.],.]]
[[[[.,[.,.]],.],.],[.,[.,.]]] => [[[]],[],[],[[[]]]] => [[[[.,[.,.]],.],.],[.,[.,.]]]
[[[[.,[.,.]],.],.],[[.,.],.]] => [[[]],[],[],[[],[]]] => [[[[.,[.,.]],.],.],[[.,.],.]]
[[[[[.,.],.],.],.],[.,[.,.]]] => [[],[],[],[],[[[]]]] => [[[[[.,.],.],.],.],[.,[.,.]]]
[[[[[.,.],.],.],.],[[.,.],.]] => [[],[],[],[],[[],[]]] => [[[[[.,.],.],.],.],[[.,.],.]]
[[.,[.,[.,[.,[.,.]]]]],[.,.]] => [[[[[[]]]]],[[]]] => [[.,[.,[.,[.,[.,.]]]]],[.,.]]
[[.,[.,[.,[[.,.],.]]]],[.,.]] => [[[[[],[]]]],[[]]] => [[.,[.,[.,[[.,.],.]]]],[.,.]]
[[.,[.,[[.,.],[.,.]]]],[.,.]] => [[[[],[[]]]],[[]]] => [[.,[.,[[.,.],[.,.]]]],[.,.]]
[[.,[.,[[.,[.,.]],.]]],[.,.]] => [[[[[]],[]]],[[]]] => [[.,[.,[[.,[.,.]],.]]],[.,.]]
[[.,[.,[[[.,.],.],.]]],[.,.]] => [[[[],[],[]]],[[]]] => [[.,[.,[[[.,.],.],.]]],[.,.]]
[[.,[[.,.],[.,[.,.]]]],[.,.]] => [[[],[[[]]]],[[]]] => [[.,[[.,.],[.,[.,.]]]],[.,.]]
[[.,[[.,.],[[.,.],.]]],[.,.]] => [[[],[[],[]]],[[]]] => [[.,[[.,.],[[.,.],.]]],[.,.]]
[[.,[[.,[.,.]],[.,.]]],[.,.]] => [[[[]],[[]]],[[]]] => [[.,[[.,[.,.]],[.,.]]],[.,.]]
[[.,[[[.,.],.],[.,.]]],[.,.]] => [[[],[],[[]]],[[]]] => [[.,[[[.,.],.],[.,.]]],[.,.]]
[[.,[[.,[.,[.,.]]],.]],[.,.]] => [[[[[]]],[]],[[]]] => [[.,[[.,[.,[.,.]]],.]],[.,.]]
[[.,[[.,[[.,.],.]],.]],[.,.]] => [[[[],[]],[]],[[]]] => [[.,[[.,[[.,.],.]],.]],[.,.]]
[[.,[[[.,.],[.,.]],.]],[.,.]] => [[[],[[]],[]],[[]]] => [[.,[[[.,.],[.,.]],.]],[.,.]]
[[.,[[[.,[.,.]],.],.]],[.,.]] => [[[[]],[],[]],[[]]] => [[.,[[[.,[.,.]],.],.]],[.,.]]
[[.,[[[[.,.],.],.],.]],[.,.]] => [[[],[],[],[]],[[]]] => [[.,[[[[.,.],.],.],.]],[.,.]]
[[[.,.],[.,[.,[.,.]]]],[.,.]] => [[],[[[[]]]],[[]]] => [[[.,.],[.,[.,[.,.]]]],[.,.]]
[[[.,.],[.,[[.,.],.]]],[.,.]] => [[],[[[],[]]],[[]]] => [[[.,.],[.,[[.,.],.]]],[.,.]]
[[[.,.],[[.,.],[.,.]]],[.,.]] => [[],[[],[[]]],[[]]] => [[[.,.],[[.,.],[.,.]]],[.,.]]
[[[.,.],[[.,[.,.]],.]],[.,.]] => [[],[[[]],[]],[[]]] => [[[.,.],[[.,[.,.]],.]],[.,.]]
[[[.,.],[[[.,.],.],.]],[.,.]] => [[],[[],[],[]],[[]]] => [[[.,.],[[[.,.],.],.]],[.,.]]
[[[.,[.,.]],[.,[.,.]]],[.,.]] => [[[]],[[[]]],[[]]] => [[[.,[.,.]],[.,[.,.]]],[.,.]]
[[[.,[.,.]],[[.,.],.]],[.,.]] => [[[]],[[],[]],[[]]] => [[[.,[.,.]],[[.,.],.]],[.,.]]
[[[[.,.],.],[.,[.,.]]],[.,.]] => [[],[],[[[]]],[[]]] => [[[[.,.],.],[.,[.,.]]],[.,.]]
[[[[.,.],.],[[.,.],.]],[.,.]] => [[],[],[[],[]],[[]]] => [[[[.,.],.],[[.,.],.]],[.,.]]
[[[.,[.,[.,.]]],[.,.]],[.,.]] => [[[[]]],[[]],[[]]] => [[[.,[.,[.,.]]],[.,.]],[.,.]]
[[[.,[[.,.],.]],[.,.]],[.,.]] => [[[],[]],[[]],[[]]] => [[[.,[[.,.],.]],[.,.]],[.,.]]
[[[[.,.],[.,.]],[.,.]],[.,.]] => [[],[[]],[[]],[[]]] => [[[[.,.],[.,.]],[.,.]],[.,.]]
[[[[.,[.,.]],.],[.,.]],[.,.]] => [[[]],[],[[]],[[]]] => [[[[.,[.,.]],.],[.,.]],[.,.]]
[[[[[.,.],.],.],[.,.]],[.,.]] => [[],[],[],[[]],[[]]] => [[[[[.,.],.],.],[.,.]],[.,.]]
[[[.,[.,[.,[.,.]]]],.],[.,.]] => [[[[[]]]],[],[[]]] => [[[.,[.,[.,[.,.]]]],.],[.,.]]
[[[.,[.,[[.,.],.]]],.],[.,.]] => [[[[],[]]],[],[[]]] => [[[.,[.,[[.,.],.]]],.],[.,.]]
[[[.,[[.,.],[.,.]]],.],[.,.]] => [[[],[[]]],[],[[]]] => [[[.,[[.,.],[.,.]]],.],[.,.]]
[[[.,[[.,[.,.]],.]],.],[.,.]] => [[[[]],[]],[],[[]]] => [[[.,[[.,[.,.]],.]],.],[.,.]]
[[[.,[[[.,.],.],.]],.],[.,.]] => [[[],[],[]],[],[[]]] => [[[.,[[[.,.],.],.]],.],[.,.]]
[[[[.,.],[.,[.,.]]],.],[.,.]] => [[],[[[]]],[],[[]]] => [[[[.,.],[.,[.,.]]],.],[.,.]]
[[[[.,.],[[.,.],.]],.],[.,.]] => [[],[[],[]],[],[[]]] => [[[[.,.],[[.,.],.]],.],[.,.]]
[[[[.,[.,.]],[.,.]],.],[.,.]] => [[[]],[[]],[],[[]]] => [[[[.,[.,.]],[.,.]],.],[.,.]]
[[[[[.,.],.],[.,.]],.],[.,.]] => [[],[],[[]],[],[[]]] => [[[[[.,.],.],[.,.]],.],[.,.]]
[[[[.,[.,[.,.]]],.],.],[.,.]] => [[[[]]],[],[],[[]]] => [[[[.,[.,[.,.]]],.],.],[.,.]]
[[[[.,[[.,.],.]],.],.],[.,.]] => [[[],[]],[],[],[[]]] => [[[[.,[[.,.],.]],.],.],[.,.]]
[[[[[.,.],[.,.]],.],.],[.,.]] => [[],[[]],[],[],[[]]] => [[[[[.,.],[.,.]],.],.],[.,.]]
[[[[[.,[.,.]],.],.],.],[.,.]] => [[[]],[],[],[],[[]]] => [[[[[.,[.,.]],.],.],.],[.,.]]
[[[[[[.,.],.],.],.],.],[.,.]] => [[],[],[],[],[],[[]]] => [[[[[[.,.],.],.],.],.],[.,.]]
[[.,[.,[.,[.,[.,[.,.]]]]]],.] => [[[[[[[]]]]]],[]] => [[.,[.,[.,[.,[.,[.,.]]]]]],.]
[[.,[.,[.,[.,[[.,.],.]]]]],.] => [[[[[[],[]]]]],[]] => [[.,[.,[.,[.,[[.,.],.]]]]],.]
[[.,[.,[.,[[.,.],[.,.]]]]],.] => [[[[[],[[]]]]],[]] => [[.,[.,[.,[[.,.],[.,.]]]]],.]
[[.,[.,[.,[[.,[.,.]],.]]]],.] => [[[[[[]],[]]]],[]] => [[.,[.,[.,[[.,[.,.]],.]]]],.]
[[.,[.,[.,[[[.,.],.],.]]]],.] => [[[[[],[],[]]]],[]] => [[.,[.,[.,[[[.,.],.],.]]]],.]
[[.,[.,[[.,.],[.,[.,.]]]]],.] => [[[[],[[[]]]]],[]] => [[.,[.,[[.,.],[.,[.,.]]]]],.]
[[.,[.,[[.,.],[[.,.],.]]]],.] => [[[[],[[],[]]]],[]] => [[.,[.,[[.,.],[[.,.],.]]]],.]
[[.,[.,[[.,[.,.]],[.,.]]]],.] => [[[[[]],[[]]]],[]] => [[.,[.,[[.,[.,.]],[.,.]]]],.]
[[.,[.,[[[.,.],.],[.,.]]]],.] => [[[[],[],[[]]]],[]] => [[.,[.,[[[.,.],.],[.,.]]]],.]
[[.,[.,[[.,[.,[.,.]]],.]]],.] => [[[[[[]]],[]]],[]] => [[.,[.,[[.,[.,[.,.]]],.]]],.]
[[.,[.,[[.,[[.,.],.]],.]]],.] => [[[[[],[]],[]]],[]] => [[.,[.,[[.,[[.,.],.]],.]]],.]
[[.,[.,[[[.,.],[.,.]],.]]],.] => [[[[],[[]],[]]],[]] => [[.,[.,[[[.,.],[.,.]],.]]],.]
[[.,[.,[[[.,[.,.]],.],.]]],.] => [[[[[]],[],[]]],[]] => [[.,[.,[[[.,[.,.]],.],.]]],.]
[[.,[.,[[[[.,.],.],.],.]]],.] => [[[[],[],[],[]]],[]] => [[.,[.,[[[[.,.],.],.],.]]],.]
[[.,[[.,.],[.,[.,[.,.]]]]],.] => [[[],[[[[]]]]],[]] => [[.,[[.,.],[.,[.,[.,.]]]]],.]
[[.,[[.,.],[.,[[.,.],.]]]],.] => [[[],[[[],[]]]],[]] => [[.,[[.,.],[.,[[.,.],.]]]],.]
[[.,[[.,.],[[.,.],[.,.]]]],.] => [[[],[[],[[]]]],[]] => [[.,[[.,.],[[.,.],[.,.]]]],.]
[[.,[[.,.],[[.,[.,.]],.]]],.] => [[[],[[[]],[]]],[]] => [[.,[[.,.],[[.,[.,.]],.]]],.]
[[.,[[.,.],[[[.,.],.],.]]],.] => [[[],[[],[],[]]],[]] => [[.,[[.,.],[[[.,.],.],.]]],.]
[[.,[[.,[.,.]],[.,[.,.]]]],.] => [[[[]],[[[]]]],[]] => [[.,[[.,[.,.]],[.,[.,.]]]],.]
[[.,[[.,[.,.]],[[.,.],.]]],.] => [[[[]],[[],[]]],[]] => [[.,[[.,[.,.]],[[.,.],.]]],.]
[[.,[[[.,.],.],[.,[.,.]]]],.] => [[[],[],[[[]]]],[]] => [[.,[[[.,.],.],[.,[.,.]]]],.]
[[.,[[[.,.],.],[[.,.],.]]],.] => [[[],[],[[],[]]],[]] => [[.,[[[.,.],.],[[.,.],.]]],.]
[[.,[[.,[.,[.,.]]],[.,.]]],.] => [[[[[]]],[[]]],[]] => [[.,[[.,[.,[.,.]]],[.,.]]],.]
[[.,[[.,[[.,.],.]],[.,.]]],.] => [[[[],[]],[[]]],[]] => [[.,[[.,[[.,.],.]],[.,.]]],.]
[[.,[[[.,.],[.,.]],[.,.]]],.] => [[[],[[]],[[]]],[]] => [[.,[[[.,.],[.,.]],[.,.]]],.]
[[.,[[[.,[.,.]],.],[.,.]]],.] => [[[[]],[],[[]]],[]] => [[.,[[[.,[.,.]],.],[.,.]]],.]
[[.,[[[[.,.],.],.],[.,.]]],.] => [[[],[],[],[[]]],[]] => [[.,[[[[.,.],.],.],[.,.]]],.]
[[.,[[.,[.,[.,[.,.]]]],.]],.] => [[[[[[]]]],[]],[]] => [[.,[[.,[.,[.,[.,.]]]],.]],.]
[[.,[[.,[.,[[.,.],.]]],.]],.] => [[[[[],[]]],[]],[]] => [[.,[[.,[.,[[.,.],.]]],.]],.]
[[.,[[.,[[.,.],[.,.]]],.]],.] => [[[[],[[]]],[]],[]] => [[.,[[.,[[.,.],[.,.]]],.]],.]
[[.,[[.,[[.,[.,.]],.]],.]],.] => [[[[[]],[]],[]],[]] => [[.,[[.,[[.,[.,.]],.]],.]],.]
[[.,[[.,[[[.,.],.],.]],.]],.] => [[[[],[],[]],[]],[]] => [[.,[[.,[[[.,.],.],.]],.]],.]
[[.,[[[.,.],[.,[.,.]]],.]],.] => [[[],[[[]]],[]],[]] => [[.,[[[.,.],[.,[.,.]]],.]],.]
[[.,[[[.,.],[[.,.],.]],.]],.] => [[[],[[],[]],[]],[]] => [[.,[[[.,.],[[.,.],.]],.]],.]
[[.,[[[.,[.,.]],[.,.]],.]],.] => [[[[]],[[]],[]],[]] => [[.,[[[.,[.,.]],[.,.]],.]],.]
[[.,[[[[.,.],.],[.,.]],.]],.] => [[[],[],[[]],[]],[]] => [[.,[[[[.,.],.],[.,.]],.]],.]
[[.,[[[.,[.,[.,.]]],.],.]],.] => [[[[[]]],[],[]],[]] => [[.,[[[.,[.,[.,.]]],.],.]],.]
[[.,[[[.,[[.,.],.]],.],.]],.] => [[[[],[]],[],[]],[]] => [[.,[[[.,[[.,.],.]],.],.]],.]
[[.,[[[[.,.],[.,.]],.],.]],.] => [[[],[[]],[],[]],[]] => [[.,[[[[.,.],[.,.]],.],.]],.]
[[.,[[[[.,[.,.]],.],.],.]],.] => [[[[]],[],[],[]],[]] => [[.,[[[[.,[.,.]],.],.],.]],.]
[[.,[[[[[.,.],.],.],.],.]],.] => [[[],[],[],[],[]],[]] => [[.,[[[[[.,.],.],.],.],.]],.]
[[[.,.],[.,[.,[.,[.,.]]]]],.] => [[],[[[[[]]]]],[]] => [[[.,.],[.,[.,[.,[.,.]]]]],.]
[[[.,.],[.,[.,[[.,.],.]]]],.] => [[],[[[[],[]]]],[]] => [[[.,.],[.,[.,[[.,.],.]]]],.]
[[[.,.],[.,[[.,.],[.,.]]]],.] => [[],[[[],[[]]]],[]] => [[[.,.],[.,[[.,.],[.,.]]]],.]
[[[.,.],[.,[[.,[.,.]],.]]],.] => [[],[[[[]],[]]],[]] => [[[.,.],[.,[[.,[.,.]],.]]],.]
[[[.,.],[.,[[[.,.],.],.]]],.] => [[],[[[],[],[]]],[]] => [[[.,.],[.,[[[.,.],.],.]]],.]
[[[.,.],[[.,.],[.,[.,.]]]],.] => [[],[[],[[[]]]],[]] => [[[.,.],[[.,.],[.,[.,.]]]],.]
[[[.,.],[[.,.],[[.,.],.]]],.] => [[],[[],[[],[]]],[]] => [[[.,.],[[.,.],[[.,.],.]]],.]
[[[.,.],[[.,[.,.]],[.,.]]],.] => [[],[[[]],[[]]],[]] => [[[.,.],[[.,[.,.]],[.,.]]],.]
[[[.,.],[[[.,.],.],[.,.]]],.] => [[],[[],[],[[]]],[]] => [[[.,.],[[[.,.],.],[.,.]]],.]
[[[.,.],[[.,[.,[.,.]]],.]],.] => [[],[[[[]]],[]],[]] => [[[.,.],[[.,[.,[.,.]]],.]],.]
[[[.,.],[[.,[[.,.],.]],.]],.] => [[],[[[],[]],[]],[]] => [[[.,.],[[.,[[.,.],.]],.]],.]
[[[.,.],[[[.,.],[.,.]],.]],.] => [[],[[],[[]],[]],[]] => [[[.,.],[[[.,.],[.,.]],.]],.]
[[[.,.],[[[.,[.,.]],.],.]],.] => [[],[[[]],[],[]],[]] => [[[.,.],[[[.,[.,.]],.],.]],.]
[[[.,.],[[[[.,.],.],.],.]],.] => [[],[[],[],[],[]],[]] => [[[.,.],[[[[.,.],.],.],.]],.]
[[[.,[.,.]],[.,[.,[.,.]]]],.] => [[[]],[[[[]]]],[]] => [[[.,[.,.]],[.,[.,[.,.]]]],.]
[[[.,[.,.]],[.,[[.,.],.]]],.] => [[[]],[[[],[]]],[]] => [[[.,[.,.]],[.,[[.,.],.]]],.]
[[[.,[.,.]],[[.,.],[.,.]]],.] => [[[]],[[],[[]]],[]] => [[[.,[.,.]],[[.,.],[.,.]]],.]
[[[.,[.,.]],[[.,[.,.]],.]],.] => [[[]],[[[]],[]],[]] => [[[.,[.,.]],[[.,[.,.]],.]],.]
[[[.,[.,.]],[[[.,.],.],.]],.] => [[[]],[[],[],[]],[]] => [[[.,[.,.]],[[[.,.],.],.]],.]
[[[[.,.],.],[.,[.,[.,.]]]],.] => [[],[],[[[[]]]],[]] => [[[[.,.],.],[.,[.,[.,.]]]],.]
[[[[.,.],.],[.,[[.,.],.]]],.] => [[],[],[[[],[]]],[]] => [[[[.,.],.],[.,[[.,.],.]]],.]
[[[[.,.],.],[[.,.],[.,.]]],.] => [[],[],[[],[[]]],[]] => [[[[.,.],.],[[.,.],[.,.]]],.]
[[[[.,.],.],[[.,[.,.]],.]],.] => [[],[],[[[]],[]],[]] => [[[[.,.],.],[[.,[.,.]],.]],.]
[[[[.,.],.],[[[.,.],.],.]],.] => [[],[],[[],[],[]],[]] => [[[[.,.],.],[[[.,.],.],.]],.]
[[[.,[.,[.,.]]],[.,[.,.]]],.] => [[[[]]],[[[]]],[]] => [[[.,[.,[.,.]]],[.,[.,.]]],.]
[[[.,[.,[.,.]]],[[.,.],.]],.] => [[[[]]],[[],[]],[]] => [[[.,[.,[.,.]]],[[.,.],.]],.]
[[[.,[[.,.],.]],[.,[.,.]]],.] => [[[],[]],[[[]]],[]] => [[[.,[[.,.],.]],[.,[.,.]]],.]
[[[.,[[.,.],.]],[[.,.],.]],.] => [[[],[]],[[],[]],[]] => [[[.,[[.,.],.]],[[.,.],.]],.]
[[[[.,.],[.,.]],[.,[.,.]]],.] => [[],[[]],[[[]]],[]] => [[[[.,.],[.,.]],[.,[.,.]]],.]
[[[[.,.],[.,.]],[[.,.],.]],.] => [[],[[]],[[],[]],[]] => [[[[.,.],[.,.]],[[.,.],.]],.]
[[[[.,[.,.]],.],[.,[.,.]]],.] => [[[]],[],[[[]]],[]] => [[[[.,[.,.]],.],[.,[.,.]]],.]
[[[[.,[.,.]],.],[[.,.],.]],.] => [[[]],[],[[],[]],[]] => [[[[.,[.,.]],.],[[.,.],.]],.]
[[[[[.,.],.],.],[.,[.,.]]],.] => [[],[],[],[[[]]],[]] => [[[[[.,.],.],.],[.,[.,.]]],.]
[[[[[.,.],.],.],[[.,.],.]],.] => [[],[],[],[[],[]],[]] => [[[[[.,.],.],.],[[.,.],.]],.]
[[[.,[.,[.,[.,.]]]],[.,.]],.] => [[[[[]]]],[[]],[]] => [[[.,[.,[.,[.,.]]]],[.,.]],.]
[[[.,[.,[[.,.],.]]],[.,.]],.] => [[[[],[]]],[[]],[]] => [[[.,[.,[[.,.],.]]],[.,.]],.]
[[[.,[[.,.],[.,.]]],[.,.]],.] => [[[],[[]]],[[]],[]] => [[[.,[[.,.],[.,.]]],[.,.]],.]
[[[.,[[.,[.,.]],.]],[.,.]],.] => [[[[]],[]],[[]],[]] => [[[.,[[.,[.,.]],.]],[.,.]],.]
[[[.,[[[.,.],.],.]],[.,.]],.] => [[[],[],[]],[[]],[]] => [[[.,[[[.,.],.],.]],[.,.]],.]
[[[[.,.],[.,[.,.]]],[.,.]],.] => [[],[[[]]],[[]],[]] => [[[[.,.],[.,[.,.]]],[.,.]],.]
[[[[.,.],[[.,.],.]],[.,.]],.] => [[],[[],[]],[[]],[]] => [[[[.,.],[[.,.],.]],[.,.]],.]
[[[[.,[.,.]],[.,.]],[.,.]],.] => [[[]],[[]],[[]],[]] => [[[[.,[.,.]],[.,.]],[.,.]],.]
[[[[[.,.],.],[.,.]],[.,.]],.] => [[],[],[[]],[[]],[]] => [[[[[.,.],.],[.,.]],[.,.]],.]
[[[[.,[.,[.,.]]],.],[.,.]],.] => [[[[]]],[],[[]],[]] => [[[[.,[.,[.,.]]],.],[.,.]],.]
[[[[.,[[.,.],.]],.],[.,.]],.] => [[[],[]],[],[[]],[]] => [[[[.,[[.,.],.]],.],[.,.]],.]
[[[[[.,.],[.,.]],.],[.,.]],.] => [[],[[]],[],[[]],[]] => [[[[[.,.],[.,.]],.],[.,.]],.]
[[[[[.,[.,.]],.],.],[.,.]],.] => [[[]],[],[],[[]],[]] => [[[[[.,[.,.]],.],.],[.,.]],.]
[[[[[[.,.],.],.],.],[.,.]],.] => [[],[],[],[],[[]],[]] => [[[[[[.,.],.],.],.],[.,.]],.]
[[[.,[.,[.,[.,[.,.]]]]],.],.] => [[[[[[]]]]],[],[]] => [[[.,[.,[.,[.,[.,.]]]]],.],.]
[[[.,[.,[.,[[.,.],.]]]],.],.] => [[[[[],[]]]],[],[]] => [[[.,[.,[.,[[.,.],.]]]],.],.]
[[[.,[.,[[.,.],[.,.]]]],.],.] => [[[[],[[]]]],[],[]] => [[[.,[.,[[.,.],[.,.]]]],.],.]
[[[.,[.,[[.,[.,.]],.]]],.],.] => [[[[[]],[]]],[],[]] => [[[.,[.,[[.,[.,.]],.]]],.],.]
[[[.,[.,[[[.,.],.],.]]],.],.] => [[[[],[],[]]],[],[]] => [[[.,[.,[[[.,.],.],.]]],.],.]
[[[.,[[.,.],[.,[.,.]]]],.],.] => [[[],[[[]]]],[],[]] => [[[.,[[.,.],[.,[.,.]]]],.],.]
[[[.,[[.,.],[[.,.],.]]],.],.] => [[[],[[],[]]],[],[]] => [[[.,[[.,.],[[.,.],.]]],.],.]
[[[.,[[.,[.,.]],[.,.]]],.],.] => [[[[]],[[]]],[],[]] => [[[.,[[.,[.,.]],[.,.]]],.],.]
[[[.,[[[.,.],.],[.,.]]],.],.] => [[[],[],[[]]],[],[]] => [[[.,[[[.,.],.],[.,.]]],.],.]
[[[.,[[.,[.,[.,.]]],.]],.],.] => [[[[[]]],[]],[],[]] => [[[.,[[.,[.,[.,.]]],.]],.],.]
[[[.,[[.,[[.,.],.]],.]],.],.] => [[[[],[]],[]],[],[]] => [[[.,[[.,[[.,.],.]],.]],.],.]
[[[.,[[[.,.],[.,.]],.]],.],.] => [[[],[[]],[]],[],[]] => [[[.,[[[.,.],[.,.]],.]],.],.]
[[[.,[[[.,[.,.]],.],.]],.],.] => [[[[]],[],[]],[],[]] => [[[.,[[[.,[.,.]],.],.]],.],.]
[[[.,[[[[.,.],.],.],.]],.],.] => [[[],[],[],[]],[],[]] => [[[.,[[[[.,.],.],.],.]],.],.]
[[[[.,.],[.,[.,[.,.]]]],.],.] => [[],[[[[]]]],[],[]] => [[[[.,.],[.,[.,[.,.]]]],.],.]
[[[[.,.],[.,[[.,.],.]]],.],.] => [[],[[[],[]]],[],[]] => [[[[.,.],[.,[[.,.],.]]],.],.]
[[[[.,.],[[.,.],[.,.]]],.],.] => [[],[[],[[]]],[],[]] => [[[[.,.],[[.,.],[.,.]]],.],.]
[[[[.,.],[[.,[.,.]],.]],.],.] => [[],[[[]],[]],[],[]] => [[[[.,.],[[.,[.,.]],.]],.],.]
[[[[.,.],[[[.,.],.],.]],.],.] => [[],[[],[],[]],[],[]] => [[[[.,.],[[[.,.],.],.]],.],.]
[[[[.,[.,.]],[.,[.,.]]],.],.] => [[[]],[[[]]],[],[]] => [[[[.,[.,.]],[.,[.,.]]],.],.]
[[[[.,[.,.]],[[.,.],.]],.],.] => [[[]],[[],[]],[],[]] => [[[[.,[.,.]],[[.,.],.]],.],.]
[[[[[.,.],.],[.,[.,.]]],.],.] => [[],[],[[[]]],[],[]] => [[[[[.,.],.],[.,[.,.]]],.],.]
[[[[[.,.],.],[[.,.],.]],.],.] => [[],[],[[],[]],[],[]] => [[[[[.,.],.],[[.,.],.]],.],.]
[[[[.,[.,[.,.]]],[.,.]],.],.] => [[[[]]],[[]],[],[]] => [[[[.,[.,[.,.]]],[.,.]],.],.]
[[[[.,[[.,.],.]],[.,.]],.],.] => [[[],[]],[[]],[],[]] => [[[[.,[[.,.],.]],[.,.]],.],.]
[[[[[.,.],[.,.]],[.,.]],.],.] => [[],[[]],[[]],[],[]] => [[[[[.,.],[.,.]],[.,.]],.],.]
[[[[[.,[.,.]],.],[.,.]],.],.] => [[[]],[],[[]],[],[]] => [[[[[.,[.,.]],.],[.,.]],.],.]
[[[[[[.,.],.],.],[.,.]],.],.] => [[],[],[],[[]],[],[]] => [[[[[[.,.],.],.],[.,.]],.],.]
[[[[.,[.,[.,[.,.]]]],.],.],.] => [[[[[]]]],[],[],[]] => [[[[.,[.,[.,[.,.]]]],.],.],.]
[[[[.,[.,[[.,.],.]]],.],.],.] => [[[[],[]]],[],[],[]] => [[[[.,[.,[[.,.],.]]],.],.],.]
[[[[.,[[.,.],[.,.]]],.],.],.] => [[[],[[]]],[],[],[]] => [[[[.,[[.,.],[.,.]]],.],.],.]
[[[[.,[[.,[.,.]],.]],.],.],.] => [[[[]],[]],[],[],[]] => [[[[.,[[.,[.,.]],.]],.],.],.]
[[[[.,[[[.,.],.],.]],.],.],.] => [[[],[],[]],[],[],[]] => [[[[.,[[[.,.],.],.]],.],.],.]
[[[[[.,.],[.,[.,.]]],.],.],.] => [[],[[[]]],[],[],[]] => [[[[[.,.],[.,[.,.]]],.],.],.]
[[[[[.,.],[[.,.],.]],.],.],.] => [[],[[],[]],[],[],[]] => [[[[[.,.],[[.,.],.]],.],.],.]
[[[[[.,[.,.]],[.,.]],.],.],.] => [[[]],[[]],[],[],[]] => [[[[[.,[.,.]],[.,.]],.],.],.]
[[[[[[.,.],.],[.,.]],.],.],.] => [[],[],[[]],[],[],[]] => [[[[[[.,.],.],[.,.]],.],.],.]
[[[[[.,[.,[.,.]]],.],.],.],.] => [[[[]]],[],[],[],[]] => [[[[[.,[.,[.,.]]],.],.],.],.]
[[[[[.,[[.,.],.]],.],.],.],.] => [[[],[]],[],[],[],[]] => [[[[[.,[[.,.],.]],.],.],.],.]
[[[[[[.,.],[.,.]],.],.],.],.] => [[],[[]],[],[],[],[]] => [[[[[[.,.],[.,.]],.],.],.],.]
[[[[[[.,[.,.]],.],.],.],.],.] => [[[]],[],[],[],[],[]] => [[[[[[.,[.,.]],.],.],.],.],.]
[[[[[[[.,.],.],.],.],.],.],.] => [[],[],[],[],[],[],[]] => [[[[[[[.,.],.],.],.],.],.],.]
[.,[.,[.,[.,[.,[.,[.,[.,.]]]]]]]] => [[[[[[[[[]]]]]]]]] => [.,[.,[.,[.,[.,[.,[.,[.,.]]]]]]]]
[.,[.,[.,[.,[.,[.,[[.,.],.]]]]]]] => [[[[[[[[],[]]]]]]]] => [.,[.,[.,[.,[.,[.,[[.,.],.]]]]]]]
[.,[.,[.,[.,[.,[[.,.],[.,.]]]]]]] => [[[[[[[],[[]]]]]]]] => [.,[.,[.,[.,[.,[[.,.],[.,.]]]]]]]
[.,[.,[.,[.,[.,[[.,[.,.]],.]]]]]] => [[[[[[[[]],[]]]]]]] => [.,[.,[.,[.,[.,[[.,[.,.]],.]]]]]]
[.,[.,[.,[.,[.,[[[.,.],.],.]]]]]] => [[[[[[[],[],[]]]]]]] => [.,[.,[.,[.,[.,[[[.,.],.],.]]]]]]
[.,[.,[.,[.,[[.,.],[.,[.,.]]]]]]] => [[[[[[],[[[]]]]]]]] => [.,[.,[.,[.,[[.,.],[.,[.,.]]]]]]]
[.,[.,[.,[.,[[.,.],[[.,.],.]]]]]] => [[[[[[],[[],[]]]]]]] => [.,[.,[.,[.,[[.,.],[[.,.],.]]]]]]
[.,[.,[.,[.,[[.,[.,.]],[.,.]]]]]] => [[[[[[[]],[[]]]]]]] => [.,[.,[.,[.,[[.,[.,.]],[.,.]]]]]]
[.,[.,[.,[.,[[[.,.],.],[.,.]]]]]] => [[[[[[],[],[[]]]]]]] => [.,[.,[.,[.,[[[.,.],.],[.,.]]]]]]
[.,[.,[.,[.,[[.,[.,[.,.]]],.]]]]] => [[[[[[[[]]],[]]]]]] => [.,[.,[.,[.,[[.,[.,[.,.]]],.]]]]]
[.,[.,[.,[.,[[.,[[.,.],.]],.]]]]] => [[[[[[[],[]],[]]]]]] => [.,[.,[.,[.,[[.,[[.,.],.]],.]]]]]
[.,[.,[.,[.,[[[.,.],[.,.]],.]]]]] => [[[[[[],[[]],[]]]]]] => [.,[.,[.,[.,[[[.,.],[.,.]],.]]]]]
[.,[.,[.,[.,[[[.,[.,.]],.],.]]]]] => [[[[[[[]],[],[]]]]]] => [.,[.,[.,[.,[[[.,[.,.]],.],.]]]]]
[.,[.,[.,[.,[[[[.,.],.],.],.]]]]] => [[[[[[],[],[],[]]]]]] => [.,[.,[.,[.,[[[[.,.],.],.],.]]]]]
[.,[.,[.,[[.,.],[.,[.,[.,.]]]]]]] => [[[[[],[[[[]]]]]]]] => [.,[.,[.,[[.,.],[.,[.,[.,.]]]]]]]
[.,[.,[.,[[.,.],[.,[[.,.],.]]]]]] => [[[[[],[[[],[]]]]]]] => [.,[.,[.,[[.,.],[.,[[.,.],.]]]]]]
[.,[.,[.,[[.,.],[[.,.],[.,.]]]]]] => [[[[[],[[],[[]]]]]]] => [.,[.,[.,[[.,.],[[.,.],[.,.]]]]]]
[.,[.,[.,[[.,.],[[.,[.,.]],.]]]]] => [[[[[],[[[]],[]]]]]] => [.,[.,[.,[[.,.],[[.,[.,.]],.]]]]]
[.,[.,[.,[[.,.],[[[.,.],.],.]]]]] => [[[[[],[[],[],[]]]]]] => [.,[.,[.,[[.,.],[[[.,.],.],.]]]]]
[.,[.,[.,[[.,[.,.]],[.,[.,.]]]]]] => [[[[[[]],[[[]]]]]]] => [.,[.,[.,[[.,[.,.]],[.,[.,.]]]]]]
[.,[.,[.,[[.,[.,.]],[[.,.],.]]]]] => [[[[[[]],[[],[]]]]]] => [.,[.,[.,[[.,[.,.]],[[.,.],.]]]]]
[.,[.,[.,[[[.,.],.],[.,[.,.]]]]]] => [[[[[],[],[[[]]]]]]] => [.,[.,[.,[[[.,.],.],[.,[.,.]]]]]]
[.,[.,[.,[[[.,.],.],[[.,.],.]]]]] => [[[[[],[],[[],[]]]]]] => [.,[.,[.,[[[.,.],.],[[.,.],.]]]]]
[.,[.,[.,[[.,[.,[.,.]]],[.,.]]]]] => [[[[[[[]]],[[]]]]]] => [.,[.,[.,[[.,[.,[.,.]]],[.,.]]]]]
[.,[.,[.,[[.,[[.,.],.]],[.,.]]]]] => [[[[[[],[]],[[]]]]]] => [.,[.,[.,[[.,[[.,.],.]],[.,.]]]]]
[.,[.,[.,[[[.,.],[.,.]],[.,.]]]]] => [[[[[],[[]],[[]]]]]] => [.,[.,[.,[[[.,.],[.,.]],[.,.]]]]]
[.,[.,[.,[[[.,[.,.]],.],[.,.]]]]] => [[[[[[]],[],[[]]]]]] => [.,[.,[.,[[[.,[.,.]],.],[.,.]]]]]
[.,[.,[.,[[[[.,.],.],.],[.,.]]]]] => [[[[[],[],[],[[]]]]]] => [.,[.,[.,[[[[.,.],.],.],[.,.]]]]]
[.,[.,[.,[[.,[.,[.,[.,.]]]],.]]]] => [[[[[[[[]]]],[]]]]] => [.,[.,[.,[[.,[.,[.,[.,.]]]],.]]]]
[.,[.,[.,[[.,[.,[[.,.],.]]],.]]]] => [[[[[[[],[]]],[]]]]] => [.,[.,[.,[[.,[.,[[.,.],.]]],.]]]]
[.,[.,[.,[[.,[[.,.],[.,.]]],.]]]] => [[[[[[],[[]]],[]]]]] => [.,[.,[.,[[.,[[.,.],[.,.]]],.]]]]
[.,[.,[.,[[.,[[.,[.,.]],.]],.]]]] => [[[[[[[]],[]],[]]]]] => [.,[.,[.,[[.,[[.,[.,.]],.]],.]]]]
[.,[.,[.,[[.,[[[.,.],.],.]],.]]]] => [[[[[[],[],[]],[]]]]] => [.,[.,[.,[[.,[[[.,.],.],.]],.]]]]
[.,[.,[.,[[[.,.],[.,[.,.]]],.]]]] => [[[[[],[[[]]],[]]]]] => [.,[.,[.,[[[.,.],[.,[.,.]]],.]]]]
[.,[.,[.,[[[.,.],[[.,.],.]],.]]]] => [[[[[],[[],[]],[]]]]] => [.,[.,[.,[[[.,.],[[.,.],.]],.]]]]
[.,[.,[.,[[[.,[.,.]],[.,.]],.]]]] => [[[[[[]],[[]],[]]]]] => [.,[.,[.,[[[.,[.,.]],[.,.]],.]]]]
[.,[.,[.,[[[[.,.],.],[.,.]],.]]]] => [[[[[],[],[[]],[]]]]] => [.,[.,[.,[[[[.,.],.],[.,.]],.]]]]
[.,[.,[.,[[[.,[.,[.,.]]],.],.]]]] => [[[[[[[]]],[],[]]]]] => [.,[.,[.,[[[.,[.,[.,.]]],.],.]]]]
[.,[.,[.,[[[.,[[.,.],.]],.],.]]]] => [[[[[[],[]],[],[]]]]] => [.,[.,[.,[[[.,[[.,.],.]],.],.]]]]
[.,[.,[.,[[[[.,.],[.,.]],.],.]]]] => [[[[[],[[]],[],[]]]]] => [.,[.,[.,[[[[.,.],[.,.]],.],.]]]]
[.,[.,[.,[[[[.,[.,.]],.],.],.]]]] => [[[[[[]],[],[],[]]]]] => [.,[.,[.,[[[[.,[.,.]],.],.],.]]]]
[.,[.,[.,[[[[[.,.],.],.],.],.]]]] => [[[[[],[],[],[],[]]]]] => [.,[.,[.,[[[[[.,.],.],.],.],.]]]]
[.,[.,[[.,.],[.,[.,[.,[.,.]]]]]]] => [[[[],[[[[[]]]]]]]] => [.,[.,[[.,.],[.,[.,[.,[.,.]]]]]]]
[.,[.,[[.,.],[.,[.,[[.,.],.]]]]]] => [[[[],[[[[],[]]]]]]] => [.,[.,[[.,.],[.,[.,[[.,.],.]]]]]]
[.,[.,[[.,.],[.,[[.,.],[.,.]]]]]] => [[[[],[[[],[[]]]]]]] => [.,[.,[[.,.],[.,[[.,.],[.,.]]]]]]
[.,[.,[[.,.],[.,[[.,[.,.]],.]]]]] => [[[[],[[[[]],[]]]]]] => [.,[.,[[.,.],[.,[[.,[.,.]],.]]]]]
[.,[.,[[.,.],[.,[[[.,.],.],.]]]]] => [[[[],[[[],[],[]]]]]] => [.,[.,[[.,.],[.,[[[.,.],.],.]]]]]
[.,[.,[[.,.],[[.,.],[.,[.,.]]]]]] => [[[[],[[],[[[]]]]]]] => [.,[.,[[.,.],[[.,.],[.,[.,.]]]]]]
[.,[.,[[.,.],[[.,.],[[.,.],.]]]]] => [[[[],[[],[[],[]]]]]] => [.,[.,[[.,.],[[.,.],[[.,.],.]]]]]
[.,[.,[[.,.],[[.,[.,.]],[.,.]]]]] => [[[[],[[[]],[[]]]]]] => [.,[.,[[.,.],[[.,[.,.]],[.,.]]]]]
[.,[.,[[.,.],[[[.,.],.],[.,.]]]]] => [[[[],[[],[],[[]]]]]] => [.,[.,[[.,.],[[[.,.],.],[.,.]]]]]
[.,[.,[[.,.],[[.,[.,[.,.]]],.]]]] => [[[[],[[[[]]],[]]]]] => [.,[.,[[.,.],[[.,[.,[.,.]]],.]]]]
[.,[.,[[.,.],[[.,[[.,.],.]],.]]]] => [[[[],[[[],[]],[]]]]] => [.,[.,[[.,.],[[.,[[.,.],.]],.]]]]
[.,[.,[[.,.],[[[.,.],[.,.]],.]]]] => [[[[],[[],[[]],[]]]]] => [.,[.,[[.,.],[[[.,.],[.,.]],.]]]]
[.,[.,[[.,.],[[[.,[.,.]],.],.]]]] => [[[[],[[[]],[],[]]]]] => [.,[.,[[.,.],[[[.,[.,.]],.],.]]]]
[.,[.,[[.,.],[[[[.,.],.],.],.]]]] => [[[[],[[],[],[],[]]]]] => [.,[.,[[.,.],[[[[.,.],.],.],.]]]]
[.,[.,[[.,[.,.]],[.,[.,[.,.]]]]]] => [[[[[]],[[[[]]]]]]] => [.,[.,[[.,[.,.]],[.,[.,[.,.]]]]]]
[.,[.,[[.,[.,.]],[.,[[.,.],.]]]]] => [[[[[]],[[[],[]]]]]] => [.,[.,[[.,[.,.]],[.,[[.,.],.]]]]]
[.,[.,[[.,[.,.]],[[.,.],[.,.]]]]] => [[[[[]],[[],[[]]]]]] => [.,[.,[[.,[.,.]],[[.,.],[.,.]]]]]
[.,[.,[[.,[.,.]],[[.,[.,.]],.]]]] => [[[[[]],[[[]],[]]]]] => [.,[.,[[.,[.,.]],[[.,[.,.]],.]]]]
[.,[.,[[.,[.,.]],[[[.,.],.],.]]]] => [[[[[]],[[],[],[]]]]] => [.,[.,[[.,[.,.]],[[[.,.],.],.]]]]
[.,[.,[[[.,.],.],[.,[.,[.,.]]]]]] => [[[[],[],[[[[]]]]]]] => [.,[.,[[[.,.],.],[.,[.,[.,.]]]]]]
[.,[.,[[[.,.],.],[.,[[.,.],.]]]]] => [[[[],[],[[[],[]]]]]] => [.,[.,[[[.,.],.],[.,[[.,.],.]]]]]
[.,[.,[[[.,.],.],[[.,.],[.,.]]]]] => [[[[],[],[[],[[]]]]]] => [.,[.,[[[.,.],.],[[.,.],[.,.]]]]]
[.,[.,[[[.,.],.],[[.,[.,.]],.]]]] => [[[[],[],[[[]],[]]]]] => [.,[.,[[[.,.],.],[[.,[.,.]],.]]]]
[.,[.,[[[.,.],.],[[[.,.],.],.]]]] => [[[[],[],[[],[],[]]]]] => [.,[.,[[[.,.],.],[[[.,.],.],.]]]]
[.,[.,[[.,[.,[.,.]]],[.,[.,.]]]]] => [[[[[[]]],[[[]]]]]] => [.,[.,[[.,[.,[.,.]]],[.,[.,.]]]]]
[.,[.,[[.,[.,[.,.]]],[[.,.],.]]]] => [[[[[[]]],[[],[]]]]] => [.,[.,[[.,[.,[.,.]]],[[.,.],.]]]]
[.,[.,[[.,[[.,.],.]],[.,[.,.]]]]] => [[[[[],[]],[[[]]]]]] => [.,[.,[[.,[[.,.],.]],[.,[.,.]]]]]
[.,[.,[[.,[[.,.],.]],[[.,.],.]]]] => [[[[[],[]],[[],[]]]]] => [.,[.,[[.,[[.,.],.]],[[.,.],.]]]]
[.,[.,[[[.,.],[.,.]],[.,[.,.]]]]] => [[[[],[[]],[[[]]]]]] => [.,[.,[[[.,.],[.,.]],[.,[.,.]]]]]
[.,[.,[[[.,.],[.,.]],[[.,.],.]]]] => [[[[],[[]],[[],[]]]]] => [.,[.,[[[.,.],[.,.]],[[.,.],.]]]]
[.,[.,[[[.,[.,.]],.],[.,[.,.]]]]] => [[[[[]],[],[[[]]]]]] => [.,[.,[[[.,[.,.]],.],[.,[.,.]]]]]
[.,[.,[[[.,[.,.]],.],[[.,.],.]]]] => [[[[[]],[],[[],[]]]]] => [.,[.,[[[.,[.,.]],.],[[.,.],.]]]]
[.,[.,[[[[.,.],.],.],[.,[.,.]]]]] => [[[[],[],[],[[[]]]]]] => [.,[.,[[[[.,.],.],.],[.,[.,.]]]]]
[.,[.,[[[[.,.],.],.],[[.,.],.]]]] => [[[[],[],[],[[],[]]]]] => [.,[.,[[[[.,.],.],.],[[.,.],.]]]]
[.,[.,[[.,[.,[.,[.,.]]]],[.,.]]]] => [[[[[[[]]]],[[]]]]] => [.,[.,[[.,[.,[.,[.,.]]]],[.,.]]]]
[.,[.,[[.,[.,[[.,.],.]]],[.,.]]]] => [[[[[[],[]]],[[]]]]] => [.,[.,[[.,[.,[[.,.],.]]],[.,.]]]]
[.,[.,[[.,[[.,.],[.,.]]],[.,.]]]] => [[[[[],[[]]],[[]]]]] => [.,[.,[[.,[[.,.],[.,.]]],[.,.]]]]
[.,[.,[[.,[[.,[.,.]],.]],[.,.]]]] => [[[[[[]],[]],[[]]]]] => [.,[.,[[.,[[.,[.,.]],.]],[.,.]]]]
[.,[.,[[.,[[[.,.],.],.]],[.,.]]]] => [[[[[],[],[]],[[]]]]] => [.,[.,[[.,[[[.,.],.],.]],[.,.]]]]
[.,[.,[[[.,.],[.,[.,.]]],[.,.]]]] => [[[[],[[[]]],[[]]]]] => [.,[.,[[[.,.],[.,[.,.]]],[.,.]]]]
[.,[.,[[[.,.],[[.,.],.]],[.,.]]]] => [[[[],[[],[]],[[]]]]] => [.,[.,[[[.,.],[[.,.],.]],[.,.]]]]
[.,[.,[[[.,[.,.]],[.,.]],[.,.]]]] => [[[[[]],[[]],[[]]]]] => [.,[.,[[[.,[.,.]],[.,.]],[.,.]]]]
[.,[.,[[[[.,.],.],[.,.]],[.,.]]]] => [[[[],[],[[]],[[]]]]] => [.,[.,[[[[.,.],.],[.,.]],[.,.]]]]
[.,[.,[[[.,[.,[.,.]]],.],[.,.]]]] => [[[[[[]]],[],[[]]]]] => [.,[.,[[[.,[.,[.,.]]],.],[.,.]]]]
[.,[.,[[[.,[[.,.],.]],.],[.,.]]]] => [[[[[],[]],[],[[]]]]] => [.,[.,[[[.,[[.,.],.]],.],[.,.]]]]
[.,[.,[[[[.,.],[.,.]],.],[.,.]]]] => [[[[],[[]],[],[[]]]]] => [.,[.,[[[[.,.],[.,.]],.],[.,.]]]]
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[[.,.],[[[[.,.],[.,[.,.]]],.],.]] => [[],[[],[[[]]],[],[]]] => [[.,.],[[[[.,.],[.,[.,.]]],.],.]]
[[.,.],[[[[.,.],[[.,.],.]],.],.]] => [[],[[],[[],[]],[],[]]] => [[.,.],[[[[.,.],[[.,.],.]],.],.]]
[[.,.],[[[[.,[.,.]],[.,.]],.],.]] => [[],[[[]],[[]],[],[]]] => [[.,.],[[[[.,[.,.]],[.,.]],.],.]]
[[.,.],[[[[[.,.],.],[.,.]],.],.]] => [[],[[],[],[[]],[],[]]] => [[.,.],[[[[[.,.],.],[.,.]],.],.]]
[[.,.],[[[[.,[.,[.,.]]],.],.],.]] => [[],[[[[]]],[],[],[]]] => [[.,.],[[[[.,[.,[.,.]]],.],.],.]]
[[.,.],[[[[.,[[.,.],.]],.],.],.]] => [[],[[[],[]],[],[],[]]] => [[.,.],[[[[.,[[.,.],.]],.],.],.]]
[[.,.],[[[[[.,.],[.,.]],.],.],.]] => [[],[[],[[]],[],[],[]]] => [[.,.],[[[[[.,.],[.,.]],.],.],.]]
[[.,.],[[[[[.,[.,.]],.],.],.],.]] => [[],[[[]],[],[],[],[]]] => [[.,.],[[[[[.,[.,.]],.],.],.],.]]
[[.,.],[[[[[[.,.],.],.],.],.],.]] => [[],[[],[],[],[],[],[]]] => [[.,.],[[[[[[.,.],.],.],.],.],.]]
[[.,[.,.]],[.,[.,[.,[.,[.,.]]]]]] => [[[]],[[[[[[]]]]]]] => [[.,[.,.]],[.,[.,[.,[.,[.,.]]]]]]
[[.,[.,.]],[.,[.,[.,[[.,.],.]]]]] => [[[]],[[[[[],[]]]]]] => [[.,[.,.]],[.,[.,[.,[[.,.],.]]]]]
[[.,[.,.]],[.,[.,[[.,.],[.,.]]]]] => [[[]],[[[[],[[]]]]]] => [[.,[.,.]],[.,[.,[[.,.],[.,.]]]]]
[[.,[.,.]],[.,[.,[[.,[.,.]],.]]]] => [[[]],[[[[[]],[]]]]] => [[.,[.,.]],[.,[.,[[.,[.,.]],.]]]]
[[.,[.,.]],[.,[.,[[[.,.],.],.]]]] => [[[]],[[[[],[],[]]]]] => [[.,[.,.]],[.,[.,[[[.,.],.],.]]]]
[[.,[.,.]],[.,[[.,.],[.,[.,.]]]]] => [[[]],[[[],[[[]]]]]] => [[.,[.,.]],[.,[[.,.],[.,[.,.]]]]]
[[.,[.,.]],[.,[[.,.],[[.,.],.]]]] => [[[]],[[[],[[],[]]]]] => [[.,[.,.]],[.,[[.,.],[[.,.],.]]]]
[[.,[.,.]],[.,[[.,[.,.]],[.,.]]]] => [[[]],[[[[]],[[]]]]] => [[.,[.,.]],[.,[[.,[.,.]],[.,.]]]]
[[.,[.,.]],[.,[[[.,.],.],[.,.]]]] => [[[]],[[[],[],[[]]]]] => [[.,[.,.]],[.,[[[.,.],.],[.,.]]]]
[[.,[.,.]],[.,[[.,[.,[.,.]]],.]]] => [[[]],[[[[[]]],[]]]] => [[.,[.,.]],[.,[[.,[.,[.,.]]],.]]]
[[.,[.,.]],[.,[[.,[[.,.],.]],.]]] => [[[]],[[[[],[]],[]]]] => [[.,[.,.]],[.,[[.,[[.,.],.]],.]]]
[[.,[.,.]],[.,[[[.,.],[.,.]],.]]] => [[[]],[[[],[[]],[]]]] => [[.,[.,.]],[.,[[[.,.],[.,.]],.]]]
[[.,[.,.]],[.,[[[.,[.,.]],.],.]]] => [[[]],[[[[]],[],[]]]] => [[.,[.,.]],[.,[[[.,[.,.]],.],.]]]
[[.,[.,.]],[.,[[[[.,.],.],.],.]]] => [[[]],[[[],[],[],[]]]] => [[.,[.,.]],[.,[[[[.,.],.],.],.]]]
[[.,[.,.]],[[.,.],[.,[.,[.,.]]]]] => [[[]],[[],[[[[]]]]]] => [[.,[.,.]],[[.,.],[.,[.,[.,.]]]]]
[[.,[.,.]],[[.,.],[.,[[.,.],.]]]] => [[[]],[[],[[[],[]]]]] => [[.,[.,.]],[[.,.],[.,[[.,.],.]]]]
[[.,[.,.]],[[.,.],[[.,.],[.,.]]]] => [[[]],[[],[[],[[]]]]] => [[.,[.,.]],[[.,.],[[.,.],[.,.]]]]
[[.,[.,.]],[[.,.],[[.,[.,.]],.]]] => [[[]],[[],[[[]],[]]]] => [[.,[.,.]],[[.,.],[[.,[.,.]],.]]]
[[.,[.,.]],[[.,.],[[[.,.],.],.]]] => [[[]],[[],[[],[],[]]]] => [[.,[.,.]],[[.,.],[[[.,.],.],.]]]
[[.,[.,.]],[[.,[.,.]],[.,[.,.]]]] => [[[]],[[[]],[[[]]]]] => [[.,[.,.]],[[.,[.,.]],[.,[.,.]]]]
[[.,[.,.]],[[.,[.,.]],[[.,.],.]]] => [[[]],[[[]],[[],[]]]] => [[.,[.,.]],[[.,[.,.]],[[.,.],.]]]
[[.,[.,.]],[[[.,.],.],[.,[.,.]]]] => [[[]],[[],[],[[[]]]]] => [[.,[.,.]],[[[.,.],.],[.,[.,.]]]]
[[.,[.,.]],[[[.,.],.],[[.,.],.]]] => [[[]],[[],[],[[],[]]]] => [[.,[.,.]],[[[.,.],.],[[.,.],.]]]
[[.,[.,.]],[[.,[.,[.,.]]],[.,.]]] => [[[]],[[[[]]],[[]]]] => [[.,[.,.]],[[.,[.,[.,.]]],[.,.]]]
[[.,[.,.]],[[.,[[.,.],.]],[.,.]]] => [[[]],[[[],[]],[[]]]] => [[.,[.,.]],[[.,[[.,.],.]],[.,.]]]
[[.,[.,.]],[[[.,.],[.,.]],[.,.]]] => [[[]],[[],[[]],[[]]]] => [[.,[.,.]],[[[.,.],[.,.]],[.,.]]]
[[.,[.,.]],[[[.,[.,.]],.],[.,.]]] => [[[]],[[[]],[],[[]]]] => [[.,[.,.]],[[[.,[.,.]],.],[.,.]]]
[[.,[.,.]],[[[[.,.],.],.],[.,.]]] => [[[]],[[],[],[],[[]]]] => [[.,[.,.]],[[[[.,.],.],.],[.,.]]]
[[.,[.,.]],[[.,[.,[.,[.,.]]]],.]] => [[[]],[[[[[]]]],[]]] => [[.,[.,.]],[[.,[.,[.,[.,.]]]],.]]
[[.,[.,.]],[[.,[.,[[.,.],.]]],.]] => [[[]],[[[[],[]]],[]]] => [[.,[.,.]],[[.,[.,[[.,.],.]]],.]]
[[.,[.,.]],[[.,[[.,.],[.,.]]],.]] => [[[]],[[[],[[]]],[]]] => [[.,[.,.]],[[.,[[.,.],[.,.]]],.]]
[[.,[.,.]],[[.,[[.,[.,.]],.]],.]] => [[[]],[[[[]],[]],[]]] => [[.,[.,.]],[[.,[[.,[.,.]],.]],.]]
[[.,[.,.]],[[.,[[[.,.],.],.]],.]] => [[[]],[[[],[],[]],[]]] => [[.,[.,.]],[[.,[[[.,.],.],.]],.]]
[[.,[.,.]],[[[.,.],[.,[.,.]]],.]] => [[[]],[[],[[[]]],[]]] => [[.,[.,.]],[[[.,.],[.,[.,.]]],.]]
[[.,[.,.]],[[[.,.],[[.,.],.]],.]] => [[[]],[[],[[],[]],[]]] => [[.,[.,.]],[[[.,.],[[.,.],.]],.]]
[[.,[.,.]],[[[.,[.,.]],[.,.]],.]] => [[[]],[[[]],[[]],[]]] => [[.,[.,.]],[[[.,[.,.]],[.,.]],.]]
[[.,[.,.]],[[[[.,.],.],[.,.]],.]] => [[[]],[[],[],[[]],[]]] => [[.,[.,.]],[[[[.,.],.],[.,.]],.]]
[[.,[.,.]],[[[.,[.,[.,.]]],.],.]] => [[[]],[[[[]]],[],[]]] => [[.,[.,.]],[[[.,[.,[.,.]]],.],.]]
[[.,[.,.]],[[[.,[[.,.],.]],.],.]] => [[[]],[[[],[]],[],[]]] => [[.,[.,.]],[[[.,[[.,.],.]],.],.]]
[[.,[.,.]],[[[[.,.],[.,.]],.],.]] => [[[]],[[],[[]],[],[]]] => [[.,[.,.]],[[[[.,.],[.,.]],.],.]]
[[.,[.,.]],[[[[.,[.,.]],.],.],.]] => [[[]],[[[]],[],[],[]]] => [[.,[.,.]],[[[[.,[.,.]],.],.],.]]
[[.,[.,.]],[[[[[.,.],.],.],.],.]] => [[[]],[[],[],[],[],[]]] => [[.,[.,.]],[[[[[.,.],.],.],.],.]]
[[[.,.],.],[.,[.,[.,[.,[.,.]]]]]] => [[],[],[[[[[[]]]]]]] => [[[.,.],.],[.,[.,[.,[.,[.,.]]]]]]
[[[.,.],.],[.,[.,[.,[[.,.],.]]]]] => [[],[],[[[[[],[]]]]]] => [[[.,.],.],[.,[.,[.,[[.,.],.]]]]]
[[[.,.],.],[.,[.,[[.,.],[.,.]]]]] => [[],[],[[[[],[[]]]]]] => [[[.,.],.],[.,[.,[[.,.],[.,.]]]]]
[[[.,.],.],[.,[.,[[.,[.,.]],.]]]] => [[],[],[[[[[]],[]]]]] => [[[.,.],.],[.,[.,[[.,[.,.]],.]]]]
[[[.,.],.],[.,[.,[[[.,.],.],.]]]] => [[],[],[[[[],[],[]]]]] => [[[.,.],.],[.,[.,[[[.,.],.],.]]]]
[[[.,.],.],[.,[[.,.],[.,[.,.]]]]] => [[],[],[[[],[[[]]]]]] => [[[.,.],.],[.,[[.,.],[.,[.,.]]]]]
[[[.,.],.],[.,[[.,.],[[.,.],.]]]] => [[],[],[[[],[[],[]]]]] => [[[.,.],.],[.,[[.,.],[[.,.],.]]]]
[[[.,.],.],[.,[[.,[.,.]],[.,.]]]] => [[],[],[[[[]],[[]]]]] => [[[.,.],.],[.,[[.,[.,.]],[.,.]]]]
[[[.,.],.],[.,[[[.,.],.],[.,.]]]] => [[],[],[[[],[],[[]]]]] => [[[.,.],.],[.,[[[.,.],.],[.,.]]]]
[[[.,.],.],[.,[[.,[.,[.,.]]],.]]] => [[],[],[[[[[]]],[]]]] => [[[.,.],.],[.,[[.,[.,[.,.]]],.]]]
[[[.,.],.],[.,[[.,[[.,.],.]],.]]] => [[],[],[[[[],[]],[]]]] => [[[.,.],.],[.,[[.,[[.,.],.]],.]]]
[[[.,.],.],[.,[[[.,.],[.,.]],.]]] => [[],[],[[[],[[]],[]]]] => [[[.,.],.],[.,[[[.,.],[.,.]],.]]]
[[[.,.],.],[.,[[[.,[.,.]],.],.]]] => [[],[],[[[[]],[],[]]]] => [[[.,.],.],[.,[[[.,[.,.]],.],.]]]
[[[.,.],.],[.,[[[[.,.],.],.],.]]] => [[],[],[[[],[],[],[]]]] => [[[.,.],.],[.,[[[[.,.],.],.],.]]]
[[[.,.],.],[[.,.],[.,[.,[.,.]]]]] => [[],[],[[],[[[[]]]]]] => [[[.,.],.],[[.,.],[.,[.,[.,.]]]]]
[[[.,.],.],[[.,.],[.,[[.,.],.]]]] => [[],[],[[],[[[],[]]]]] => [[[.,.],.],[[.,.],[.,[[.,.],.]]]]
[[[.,.],.],[[.,.],[[.,.],[.,.]]]] => [[],[],[[],[[],[[]]]]] => [[[.,.],.],[[.,.],[[.,.],[.,.]]]]
[[[.,.],.],[[.,.],[[.,[.,.]],.]]] => [[],[],[[],[[[]],[]]]] => [[[.,.],.],[[.,.],[[.,[.,.]],.]]]
[[[.,.],.],[[.,.],[[[.,.],.],.]]] => [[],[],[[],[[],[],[]]]] => [[[.,.],.],[[.,.],[[[.,.],.],.]]]
[[[.,.],.],[[.,[.,.]],[.,[.,.]]]] => [[],[],[[[]],[[[]]]]] => [[[.,.],.],[[.,[.,.]],[.,[.,.]]]]
[[[.,.],.],[[.,[.,.]],[[.,.],.]]] => [[],[],[[[]],[[],[]]]] => [[[.,.],.],[[.,[.,.]],[[.,.],.]]]
[[[.,.],.],[[[.,.],.],[.,[.,.]]]] => [[],[],[[],[],[[[]]]]] => [[[.,.],.],[[[.,.],.],[.,[.,.]]]]
[[[.,.],.],[[[.,.],.],[[.,.],.]]] => [[],[],[[],[],[[],[]]]] => [[[.,.],.],[[[.,.],.],[[.,.],.]]]
[[[.,.],.],[[.,[.,[.,.]]],[.,.]]] => [[],[],[[[[]]],[[]]]] => [[[.,.],.],[[.,[.,[.,.]]],[.,.]]]
[[[.,.],.],[[.,[[.,.],.]],[.,.]]] => [[],[],[[[],[]],[[]]]] => [[[.,.],.],[[.,[[.,.],.]],[.,.]]]
[[[.,.],.],[[[.,.],[.,.]],[.,.]]] => [[],[],[[],[[]],[[]]]] => [[[.,.],.],[[[.,.],[.,.]],[.,.]]]
[[[.,.],.],[[[.,[.,.]],.],[.,.]]] => [[],[],[[[]],[],[[]]]] => [[[.,.],.],[[[.,[.,.]],.],[.,.]]]
[[[.,.],.],[[[[.,.],.],.],[.,.]]] => [[],[],[[],[],[],[[]]]] => [[[.,.],.],[[[[.,.],.],.],[.,.]]]
[[[.,.],.],[[.,[.,[.,[.,.]]]],.]] => [[],[],[[[[[]]]],[]]] => [[[.,.],.],[[.,[.,[.,[.,.]]]],.]]
[[[.,.],.],[[.,[.,[[.,.],.]]],.]] => [[],[],[[[[],[]]],[]]] => [[[.,.],.],[[.,[.,[[.,.],.]]],.]]
[[[.,.],.],[[.,[[.,.],[.,.]]],.]] => [[],[],[[[],[[]]],[]]] => [[[.,.],.],[[.,[[.,.],[.,.]]],.]]
[[[.,.],.],[[.,[[.,[.,.]],.]],.]] => [[],[],[[[[]],[]],[]]] => [[[.,.],.],[[.,[[.,[.,.]],.]],.]]
[[[.,.],.],[[.,[[[.,.],.],.]],.]] => [[],[],[[[],[],[]],[]]] => [[[.,.],.],[[.,[[[.,.],.],.]],.]]
[[[.,.],.],[[[.,.],[.,[.,.]]],.]] => [[],[],[[],[[[]]],[]]] => [[[.,.],.],[[[.,.],[.,[.,.]]],.]]
[[[.,.],.],[[[.,.],[[.,.],.]],.]] => [[],[],[[],[[],[]],[]]] => [[[.,.],.],[[[.,.],[[.,.],.]],.]]
[[[.,.],.],[[[.,[.,.]],[.,.]],.]] => [[],[],[[[]],[[]],[]]] => [[[.,.],.],[[[.,[.,.]],[.,.]],.]]
[[[.,.],.],[[[[.,.],.],[.,.]],.]] => [[],[],[[],[],[[]],[]]] => [[[.,.],.],[[[[.,.],.],[.,.]],.]]
[[[.,.],.],[[[.,[.,[.,.]]],.],.]] => [[],[],[[[[]]],[],[]]] => [[[.,.],.],[[[.,[.,[.,.]]],.],.]]
[[[.,.],.],[[[.,[[.,.],.]],.],.]] => [[],[],[[[],[]],[],[]]] => [[[.,.],.],[[[.,[[.,.],.]],.],.]]
[[[.,.],.],[[[[.,.],[.,.]],.],.]] => [[],[],[[],[[]],[],[]]] => [[[.,.],.],[[[[.,.],[.,.]],.],.]]
[[[.,.],.],[[[[.,[.,.]],.],.],.]] => [[],[],[[[]],[],[],[]]] => [[[.,.],.],[[[[.,[.,.]],.],.],.]]
[[[.,.],.],[[[[[.,.],.],.],.],.]] => [[],[],[[],[],[],[],[]]] => [[[.,.],.],[[[[[.,.],.],.],.],.]]
[[.,[.,[.,.]]],[.,[.,[.,[.,.]]]]] => [[[[]]],[[[[[]]]]]] => [[.,[.,[.,.]]],[.,[.,[.,[.,.]]]]]
[[.,[.,[.,.]]],[.,[.,[[.,.],.]]]] => [[[[]]],[[[[],[]]]]] => [[.,[.,[.,.]]],[.,[.,[[.,.],.]]]]
[[.,[.,[.,.]]],[.,[[.,.],[.,.]]]] => [[[[]]],[[[],[[]]]]] => [[.,[.,[.,.]]],[.,[[.,.],[.,.]]]]
[[.,[.,[.,.]]],[.,[[.,[.,.]],.]]] => [[[[]]],[[[[]],[]]]] => [[.,[.,[.,.]]],[.,[[.,[.,.]],.]]]
[[.,[.,[.,.]]],[.,[[[.,.],.],.]]] => [[[[]]],[[[],[],[]]]] => [[.,[.,[.,.]]],[.,[[[.,.],.],.]]]
[[.,[.,[.,.]]],[[.,.],[.,[.,.]]]] => [[[[]]],[[],[[[]]]]] => [[.,[.,[.,.]]],[[.,.],[.,[.,.]]]]
[[.,[.,[.,.]]],[[.,.],[[.,.],.]]] => [[[[]]],[[],[[],[]]]] => [[.,[.,[.,.]]],[[.,.],[[.,.],.]]]
[[.,[.,[.,.]]],[[.,[.,.]],[.,.]]] => [[[[]]],[[[]],[[]]]] => [[.,[.,[.,.]]],[[.,[.,.]],[.,.]]]
[[.,[.,[.,.]]],[[[.,.],.],[.,.]]] => [[[[]]],[[],[],[[]]]] => [[.,[.,[.,.]]],[[[.,.],.],[.,.]]]
[[.,[.,[.,.]]],[[.,[.,[.,.]]],.]] => [[[[]]],[[[[]]],[]]] => [[.,[.,[.,.]]],[[.,[.,[.,.]]],.]]
[[.,[.,[.,.]]],[[.,[[.,.],.]],.]] => [[[[]]],[[[],[]],[]]] => [[.,[.,[.,.]]],[[.,[[.,.],.]],.]]
[[.,[.,[.,.]]],[[[.,.],[.,.]],.]] => [[[[]]],[[],[[]],[]]] => [[.,[.,[.,.]]],[[[.,.],[.,.]],.]]
[[.,[.,[.,.]]],[[[.,[.,.]],.],.]] => [[[[]]],[[[]],[],[]]] => [[.,[.,[.,.]]],[[[.,[.,.]],.],.]]
[[.,[.,[.,.]]],[[[[.,.],.],.],.]] => [[[[]]],[[],[],[],[]]] => [[.,[.,[.,.]]],[[[[.,.],.],.],.]]
[[.,[[.,.],.]],[.,[.,[.,[.,.]]]]] => [[[],[]],[[[[[]]]]]] => [[.,[[.,.],.]],[.,[.,[.,[.,.]]]]]
[[.,[[.,.],.]],[.,[.,[[.,.],.]]]] => [[[],[]],[[[[],[]]]]] => [[.,[[.,.],.]],[.,[.,[[.,.],.]]]]
[[.,[[.,.],.]],[.,[[.,.],[.,.]]]] => [[[],[]],[[[],[[]]]]] => [[.,[[.,.],.]],[.,[[.,.],[.,.]]]]
[[.,[[.,.],.]],[.,[[.,[.,.]],.]]] => [[[],[]],[[[[]],[]]]] => [[.,[[.,.],.]],[.,[[.,[.,.]],.]]]
[[.,[[.,.],.]],[.,[[[.,.],.],.]]] => [[[],[]],[[[],[],[]]]] => [[.,[[.,.],.]],[.,[[[.,.],.],.]]]
[[.,[[.,.],.]],[[.,.],[.,[.,.]]]] => [[[],[]],[[],[[[]]]]] => [[.,[[.,.],.]],[[.,.],[.,[.,.]]]]
[[.,[[.,.],.]],[[.,.],[[.,.],.]]] => [[[],[]],[[],[[],[]]]] => [[.,[[.,.],.]],[[.,.],[[.,.],.]]]
[[.,[[.,.],.]],[[.,[.,.]],[.,.]]] => [[[],[]],[[[]],[[]]]] => [[.,[[.,.],.]],[[.,[.,.]],[.,.]]]
[[.,[[.,.],.]],[[[.,.],.],[.,.]]] => [[[],[]],[[],[],[[]]]] => [[.,[[.,.],.]],[[[.,.],.],[.,.]]]
[[.,[[.,.],.]],[[.,[.,[.,.]]],.]] => [[[],[]],[[[[]]],[]]] => [[.,[[.,.],.]],[[.,[.,[.,.]]],.]]
[[.,[[.,.],.]],[[.,[[.,.],.]],.]] => [[[],[]],[[[],[]],[]]] => [[.,[[.,.],.]],[[.,[[.,.],.]],.]]
[[.,[[.,.],.]],[[[.,.],[.,.]],.]] => [[[],[]],[[],[[]],[]]] => [[.,[[.,.],.]],[[[.,.],[.,.]],.]]
[[.,[[.,.],.]],[[[.,[.,.]],.],.]] => [[[],[]],[[[]],[],[]]] => [[.,[[.,.],.]],[[[.,[.,.]],.],.]]
[[.,[[.,.],.]],[[[[.,.],.],.],.]] => [[[],[]],[[],[],[],[]]] => [[.,[[.,.],.]],[[[[.,.],.],.],.]]
[[[.,.],[.,.]],[.,[.,[.,[.,.]]]]] => [[],[[]],[[[[[]]]]]] => [[[.,.],[.,.]],[.,[.,[.,[.,.]]]]]
[[[.,.],[.,.]],[.,[.,[[.,.],.]]]] => [[],[[]],[[[[],[]]]]] => [[[.,.],[.,.]],[.,[.,[[.,.],.]]]]
[[[.,.],[.,.]],[.,[[.,.],[.,.]]]] => [[],[[]],[[[],[[]]]]] => [[[.,.],[.,.]],[.,[[.,.],[.,.]]]]
[[[.,.],[.,.]],[.,[[.,[.,.]],.]]] => [[],[[]],[[[[]],[]]]] => [[[.,.],[.,.]],[.,[[.,[.,.]],.]]]
[[[.,.],[.,.]],[.,[[[.,.],.],.]]] => [[],[[]],[[[],[],[]]]] => [[[.,.],[.,.]],[.,[[[.,.],.],.]]]
[[[.,.],[.,.]],[[.,.],[.,[.,.]]]] => [[],[[]],[[],[[[]]]]] => [[[.,.],[.,.]],[[.,.],[.,[.,.]]]]
[[[.,.],[.,.]],[[.,.],[[.,.],.]]] => [[],[[]],[[],[[],[]]]] => [[[.,.],[.,.]],[[.,.],[[.,.],.]]]
[[[.,.],[.,.]],[[.,[.,.]],[.,.]]] => [[],[[]],[[[]],[[]]]] => [[[.,.],[.,.]],[[.,[.,.]],[.,.]]]
[[[.,.],[.,.]],[[[.,.],.],[.,.]]] => [[],[[]],[[],[],[[]]]] => [[[.,.],[.,.]],[[[.,.],.],[.,.]]]
[[[.,.],[.,.]],[[.,[.,[.,.]]],.]] => [[],[[]],[[[[]]],[]]] => [[[.,.],[.,.]],[[.,[.,[.,.]]],.]]
[[[.,.],[.,.]],[[.,[[.,.],.]],.]] => [[],[[]],[[[],[]],[]]] => [[[.,.],[.,.]],[[.,[[.,.],.]],.]]
[[[.,.],[.,.]],[[[.,.],[.,.]],.]] => [[],[[]],[[],[[]],[]]] => [[[.,.],[.,.]],[[[.,.],[.,.]],.]]
[[[.,.],[.,.]],[[[.,[.,.]],.],.]] => [[],[[]],[[[]],[],[]]] => [[[.,.],[.,.]],[[[.,[.,.]],.],.]]
[[[.,.],[.,.]],[[[[.,.],.],.],.]] => [[],[[]],[[],[],[],[]]] => [[[.,.],[.,.]],[[[[.,.],.],.],.]]
[[[.,[.,.]],.],[.,[.,[.,[.,.]]]]] => [[[]],[],[[[[[]]]]]] => [[[.,[.,.]],.],[.,[.,[.,[.,.]]]]]
[[[.,[.,.]],.],[.,[.,[[.,.],.]]]] => [[[]],[],[[[[],[]]]]] => [[[.,[.,.]],.],[.,[.,[[.,.],.]]]]
[[[.,[.,.]],.],[.,[[.,.],[.,.]]]] => [[[]],[],[[[],[[]]]]] => [[[.,[.,.]],.],[.,[[.,.],[.,.]]]]
[[[.,[.,.]],.],[.,[[.,[.,.]],.]]] => [[[]],[],[[[[]],[]]]] => [[[.,[.,.]],.],[.,[[.,[.,.]],.]]]
[[[.,[.,.]],.],[.,[[[.,.],.],.]]] => [[[]],[],[[[],[],[]]]] => [[[.,[.,.]],.],[.,[[[.,.],.],.]]]
[[[.,[.,.]],.],[[.,.],[.,[.,.]]]] => [[[]],[],[[],[[[]]]]] => [[[.,[.,.]],.],[[.,.],[.,[.,.]]]]
[[[.,[.,.]],.],[[.,.],[[.,.],.]]] => [[[]],[],[[],[[],[]]]] => [[[.,[.,.]],.],[[.,.],[[.,.],.]]]
[[[.,[.,.]],.],[[.,[.,.]],[.,.]]] => [[[]],[],[[[]],[[]]]] => [[[.,[.,.]],.],[[.,[.,.]],[.,.]]]
[[[.,[.,.]],.],[[[.,.],.],[.,.]]] => [[[]],[],[[],[],[[]]]] => [[[.,[.,.]],.],[[[.,.],.],[.,.]]]
[[[.,[.,.]],.],[[.,[.,[.,.]]],.]] => [[[]],[],[[[[]]],[]]] => [[[.,[.,.]],.],[[.,[.,[.,.]]],.]]
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[[.,[.,[.,[[.,[.,.]],[.,.]]]]],.] => [[[[[[]],[[]]]]],[]] => [[.,[.,[.,[[.,[.,.]],[.,.]]]]],.]
[[.,[.,[.,[[[.,.],.],[.,.]]]]],.] => [[[[[],[],[[]]]]],[]] => [[.,[.,[.,[[[.,.],.],[.,.]]]]],.]
[[.,[.,[.,[[.,[.,[.,.]]],.]]]],.] => [[[[[[[]]],[]]]],[]] => [[.,[.,[.,[[.,[.,[.,.]]],.]]]],.]
[[.,[.,[.,[[.,[[.,.],.]],.]]]],.] => [[[[[[],[]],[]]]],[]] => [[.,[.,[.,[[.,[[.,.],.]],.]]]],.]
[[.,[.,[.,[[[.,.],[.,.]],.]]]],.] => [[[[[],[[]],[]]]],[]] => [[.,[.,[.,[[[.,.],[.,.]],.]]]],.]
[[.,[.,[.,[[[.,[.,.]],.],.]]]],.] => [[[[[[]],[],[]]]],[]] => [[.,[.,[.,[[[.,[.,.]],.],.]]]],.]
[[.,[.,[.,[[[[.,.],.],.],.]]]],.] => [[[[[],[],[],[]]]],[]] => [[.,[.,[.,[[[[.,.],.],.],.]]]],.]
[[.,[.,[[.,.],[.,[.,[.,.]]]]]],.] => [[[[],[[[[]]]]]],[]] => [[.,[.,[[.,.],[.,[.,[.,.]]]]]],.]
[[.,[.,[[.,.],[.,[[.,.],.]]]]],.] => [[[[],[[[],[]]]]],[]] => [[.,[.,[[.,.],[.,[[.,.],.]]]]],.]
[[.,[.,[[.,.],[[.,.],[.,.]]]]],.] => [[[[],[[],[[]]]]],[]] => [[.,[.,[[.,.],[[.,.],[.,.]]]]],.]
[[.,[.,[[.,.],[[.,[.,.]],.]]]],.] => [[[[],[[[]],[]]]],[]] => [[.,[.,[[.,.],[[.,[.,.]],.]]]],.]
[[.,[.,[[.,.],[[[.,.],.],.]]]],.] => [[[[],[[],[],[]]]],[]] => [[.,[.,[[.,.],[[[.,.],.],.]]]],.]
[[.,[.,[[.,[.,.]],[.,[.,.]]]]],.] => [[[[[]],[[[]]]]],[]] => [[.,[.,[[.,[.,.]],[.,[.,.]]]]],.]
[[.,[.,[[.,[.,.]],[[.,.],.]]]],.] => [[[[[]],[[],[]]]],[]] => [[.,[.,[[.,[.,.]],[[.,.],.]]]],.]
[[.,[.,[[[.,.],.],[.,[.,.]]]]],.] => [[[[],[],[[[]]]]],[]] => [[.,[.,[[[.,.],.],[.,[.,.]]]]],.]
[[.,[.,[[[.,.],.],[[.,.],.]]]],.] => [[[[],[],[[],[]]]],[]] => [[.,[.,[[[.,.],.],[[.,.],.]]]],.]
[[.,[.,[[.,[.,[.,.]]],[.,.]]]],.] => [[[[[[]]],[[]]]],[]] => [[.,[.,[[.,[.,[.,.]]],[.,.]]]],.]
[[.,[.,[[.,[[.,.],.]],[.,.]]]],.] => [[[[[],[]],[[]]]],[]] => [[.,[.,[[.,[[.,.],.]],[.,.]]]],.]
[[.,[.,[[[.,.],[.,.]],[.,.]]]],.] => [[[[],[[]],[[]]]],[]] => [[.,[.,[[[.,.],[.,.]],[.,.]]]],.]
[[.,[.,[[[.,[.,.]],.],[.,.]]]],.] => [[[[[]],[],[[]]]],[]] => [[.,[.,[[[.,[.,.]],.],[.,.]]]],.]
[[.,[.,[[[[.,.],.],.],[.,.]]]],.] => [[[[],[],[],[[]]]],[]] => [[.,[.,[[[[.,.],.],.],[.,.]]]],.]
[[.,[.,[[.,[.,[.,[.,.]]]],.]]],.] => [[[[[[[]]]],[]]],[]] => [[.,[.,[[.,[.,[.,[.,.]]]],.]]],.]
[[.,[.,[[.,[.,[[.,.],.]]],.]]],.] => [[[[[[],[]]],[]]],[]] => [[.,[.,[[.,[.,[[.,.],.]]],.]]],.]
[[.,[.,[[.,[[.,.],[.,.]]],.]]],.] => [[[[[],[[]]],[]]],[]] => [[.,[.,[[.,[[.,.],[.,.]]],.]]],.]
[[.,[.,[[.,[[.,[.,.]],.]],.]]],.] => [[[[[[]],[]],[]]],[]] => [[.,[.,[[.,[[.,[.,.]],.]],.]]],.]
[[.,[.,[[.,[[[.,.],.],.]],.]]],.] => [[[[[],[],[]],[]]],[]] => [[.,[.,[[.,[[[.,.],.],.]],.]]],.]
[[.,[.,[[[.,.],[.,[.,.]]],.]]],.] => [[[[],[[[]]],[]]],[]] => [[.,[.,[[[.,.],[.,[.,.]]],.]]],.]
[[.,[.,[[[.,.],[[.,.],.]],.]]],.] => [[[[],[[],[]],[]]],[]] => [[.,[.,[[[.,.],[[.,.],.]],.]]],.]
[[.,[.,[[[.,[.,.]],[.,.]],.]]],.] => [[[[[]],[[]],[]]],[]] => [[.,[.,[[[.,[.,.]],[.,.]],.]]],.]
[[.,[.,[[[[.,.],.],[.,.]],.]]],.] => [[[[],[],[[]],[]]],[]] => [[.,[.,[[[[.,.],.],[.,.]],.]]],.]
[[.,[.,[[[.,[.,[.,.]]],.],.]]],.] => [[[[[[]]],[],[]]],[]] => [[.,[.,[[[.,[.,[.,.]]],.],.]]],.]
[[.,[.,[[[.,[[.,.],.]],.],.]]],.] => [[[[[],[]],[],[]]],[]] => [[.,[.,[[[.,[[.,.],.]],.],.]]],.]
[[.,[.,[[[[.,.],[.,.]],.],.]]],.] => [[[[],[[]],[],[]]],[]] => [[.,[.,[[[[.,.],[.,.]],.],.]]],.]
[[.,[.,[[[[.,[.,.]],.],.],.]]],.] => [[[[[]],[],[],[]]],[]] => [[.,[.,[[[[.,[.,.]],.],.],.]]],.]
[[.,[.,[[[[[.,.],.],.],.],.]]],.] => [[[[],[],[],[],[]]],[]] => [[.,[.,[[[[[.,.],.],.],.],.]]],.]
[[.,[[.,.],[.,[.,[.,[.,.]]]]]],.] => [[[],[[[[[]]]]]],[]] => [[.,[[.,.],[.,[.,[.,[.,.]]]]]],.]
[[.,[[.,.],[.,[.,[[.,.],.]]]]],.] => [[[],[[[[],[]]]]],[]] => [[.,[[.,.],[.,[.,[[.,.],.]]]]],.]
[[.,[[.,.],[.,[[.,.],[.,.]]]]],.] => [[[],[[[],[[]]]]],[]] => [[.,[[.,.],[.,[[.,.],[.,.]]]]],.]
[[.,[[.,.],[.,[[.,[.,.]],.]]]],.] => [[[],[[[[]],[]]]],[]] => [[.,[[.,.],[.,[[.,[.,.]],.]]]],.]
[[.,[[.,.],[.,[[[.,.],.],.]]]],.] => [[[],[[[],[],[]]]],[]] => [[.,[[.,.],[.,[[[.,.],.],.]]]],.]
[[.,[[.,.],[[.,.],[.,[.,.]]]]],.] => [[[],[[],[[[]]]]],[]] => [[.,[[.,.],[[.,.],[.,[.,.]]]]],.]
[[.,[[.,.],[[.,.],[[.,.],.]]]],.] => [[[],[[],[[],[]]]],[]] => [[.,[[.,.],[[.,.],[[.,.],.]]]],.]
[[.,[[.,.],[[.,[.,.]],[.,.]]]],.] => [[[],[[[]],[[]]]],[]] => [[.,[[.,.],[[.,[.,.]],[.,.]]]],.]
[[.,[[.,.],[[[.,.],.],[.,.]]]],.] => [[[],[[],[],[[]]]],[]] => [[.,[[.,.],[[[.,.],.],[.,.]]]],.]
[[.,[[.,.],[[.,[.,[.,.]]],.]]],.] => [[[],[[[[]]],[]]],[]] => [[.,[[.,.],[[.,[.,[.,.]]],.]]],.]
[[.,[[.,.],[[.,[[.,.],.]],.]]],.] => [[[],[[[],[]],[]]],[]] => [[.,[[.,.],[[.,[[.,.],.]],.]]],.]
[[.,[[.,.],[[[.,.],[.,.]],.]]],.] => [[[],[[],[[]],[]]],[]] => [[.,[[.,.],[[[.,.],[.,.]],.]]],.]
[[.,[[.,.],[[[.,[.,.]],.],.]]],.] => [[[],[[[]],[],[]]],[]] => [[.,[[.,.],[[[.,[.,.]],.],.]]],.]
[[.,[[.,.],[[[[.,.],.],.],.]]],.] => [[[],[[],[],[],[]]],[]] => [[.,[[.,.],[[[[.,.],.],.],.]]],.]
[[.,[[.,[.,.]],[.,[.,[.,.]]]]],.] => [[[[]],[[[[]]]]],[]] => [[.,[[.,[.,.]],[.,[.,[.,.]]]]],.]
[[.,[[.,[.,.]],[.,[[.,.],.]]]],.] => [[[[]],[[[],[]]]],[]] => [[.,[[.,[.,.]],[.,[[.,.],.]]]],.]
[[.,[[.,[.,.]],[[.,.],[.,.]]]],.] => [[[[]],[[],[[]]]],[]] => [[.,[[.,[.,.]],[[.,.],[.,.]]]],.]
[[.,[[.,[.,.]],[[.,[.,.]],.]]],.] => [[[[]],[[[]],[]]],[]] => [[.,[[.,[.,.]],[[.,[.,.]],.]]],.]
[[.,[[.,[.,.]],[[[.,.],.],.]]],.] => [[[[]],[[],[],[]]],[]] => [[.,[[.,[.,.]],[[[.,.],.],.]]],.]
[[.,[[[.,.],.],[.,[.,[.,.]]]]],.] => [[[],[],[[[[]]]]],[]] => [[.,[[[.,.],.],[.,[.,[.,.]]]]],.]
[[.,[[[.,.],.],[.,[[.,.],.]]]],.] => [[[],[],[[[],[]]]],[]] => [[.,[[[.,.],.],[.,[[.,.],.]]]],.]
[[.,[[[.,.],.],[[.,.],[.,.]]]],.] => [[[],[],[[],[[]]]],[]] => [[.,[[[.,.],.],[[.,.],[.,.]]]],.]
[[.,[[[.,.],.],[[.,[.,.]],.]]],.] => [[[],[],[[[]],[]]],[]] => [[.,[[[.,.],.],[[.,[.,.]],.]]],.]
[[.,[[[.,.],.],[[[.,.],.],.]]],.] => [[[],[],[[],[],[]]],[]] => [[.,[[[.,.],.],[[[.,.],.],.]]],.]
[[.,[[.,[.,[.,.]]],[.,[.,.]]]],.] => [[[[[]]],[[[]]]],[]] => [[.,[[.,[.,[.,.]]],[.,[.,.]]]],.]
[[.,[[.,[.,[.,.]]],[[.,.],.]]],.] => [[[[[]]],[[],[]]],[]] => [[.,[[.,[.,[.,.]]],[[.,.],.]]],.]
[[.,[[.,[[.,.],.]],[.,[.,.]]]],.] => [[[[],[]],[[[]]]],[]] => [[.,[[.,[[.,.],.]],[.,[.,.]]]],.]
[[.,[[.,[[.,.],.]],[[.,.],.]]],.] => [[[[],[]],[[],[]]],[]] => [[.,[[.,[[.,.],.]],[[.,.],.]]],.]
[[.,[[[.,.],[.,.]],[.,[.,.]]]],.] => [[[],[[]],[[[]]]],[]] => [[.,[[[.,.],[.,.]],[.,[.,.]]]],.]
[[.,[[[.,.],[.,.]],[[.,.],.]]],.] => [[[],[[]],[[],[]]],[]] => [[.,[[[.,.],[.,.]],[[.,.],.]]],.]
[[.,[[[.,[.,.]],.],[.,[.,.]]]],.] => [[[[]],[],[[[]]]],[]] => [[.,[[[.,[.,.]],.],[.,[.,.]]]],.]
[[.,[[[.,[.,.]],.],[[.,.],.]]],.] => [[[[]],[],[[],[]]],[]] => [[.,[[[.,[.,.]],.],[[.,.],.]]],.]
[[.,[[[[.,.],.],.],[.,[.,.]]]],.] => [[[],[],[],[[[]]]],[]] => [[.,[[[[.,.],.],.],[.,[.,.]]]],.]
[[.,[[[[.,.],.],.],[[.,.],.]]],.] => [[[],[],[],[[],[]]],[]] => [[.,[[[[.,.],.],.],[[.,.],.]]],.]
[[.,[[.,[.,[.,[.,.]]]],[.,.]]],.] => [[[[[[]]]],[[]]],[]] => [[.,[[.,[.,[.,[.,.]]]],[.,.]]],.]
[[.,[[.,[.,[[.,.],.]]],[.,.]]],.] => [[[[[],[]]],[[]]],[]] => [[.,[[.,[.,[[.,.],.]]],[.,.]]],.]
[[.,[[.,[[.,.],[.,.]]],[.,.]]],.] => [[[[],[[]]],[[]]],[]] => [[.,[[.,[[.,.],[.,.]]],[.,.]]],.]
[[.,[[.,[[.,[.,.]],.]],[.,.]]],.] => [[[[[]],[]],[[]]],[]] => [[.,[[.,[[.,[.,.]],.]],[.,.]]],.]
[[.,[[.,[[[.,.],.],.]],[.,.]]],.] => [[[[],[],[]],[[]]],[]] => [[.,[[.,[[[.,.],.],.]],[.,.]]],.]
[[.,[[[.,.],[.,[.,.]]],[.,.]]],.] => [[[],[[[]]],[[]]],[]] => [[.,[[[.,.],[.,[.,.]]],[.,.]]],.]
[[.,[[[.,.],[[.,.],.]],[.,.]]],.] => [[[],[[],[]],[[]]],[]] => [[.,[[[.,.],[[.,.],.]],[.,.]]],.]
[[.,[[[.,[.,.]],[.,.]],[.,.]]],.] => [[[[]],[[]],[[]]],[]] => [[.,[[[.,[.,.]],[.,.]],[.,.]]],.]
[[.,[[[[.,.],.],[.,.]],[.,.]]],.] => [[[],[],[[]],[[]]],[]] => [[.,[[[[.,.],.],[.,.]],[.,.]]],.]
[[.,[[[.,[.,[.,.]]],.],[.,.]]],.] => [[[[[]]],[],[[]]],[]] => [[.,[[[.,[.,[.,.]]],.],[.,.]]],.]
[[.,[[[.,[[.,.],.]],.],[.,.]]],.] => [[[[],[]],[],[[]]],[]] => [[.,[[[.,[[.,.],.]],.],[.,.]]],.]
[[.,[[[[.,.],[.,.]],.],[.,.]]],.] => [[[],[[]],[],[[]]],[]] => [[.,[[[[.,.],[.,.]],.],[.,.]]],.]
[[.,[[[[.,[.,.]],.],.],[.,.]]],.] => [[[[]],[],[],[[]]],[]] => [[.,[[[[.,[.,.]],.],.],[.,.]]],.]
[[.,[[[[[.,.],.],.],.],[.,.]]],.] => [[[],[],[],[],[[]]],[]] => [[.,[[[[[.,.],.],.],.],[.,.]]],.]
[[.,[[.,[.,[.,[.,[.,.]]]]],.]],.] => [[[[[[[]]]]],[]],[]] => [[.,[[.,[.,[.,[.,[.,.]]]]],.]],.]
[[.,[[.,[.,[.,[[.,.],.]]]],.]],.] => [[[[[[],[]]]],[]],[]] => [[.,[[.,[.,[.,[[.,.],.]]]],.]],.]
[[.,[[.,[.,[[.,.],[.,.]]]],.]],.] => [[[[[],[[]]]],[]],[]] => [[.,[[.,[.,[[.,.],[.,.]]]],.]],.]
[[.,[[.,[.,[[.,[.,.]],.]]],.]],.] => [[[[[[]],[]]],[]],[]] => [[.,[[.,[.,[[.,[.,.]],.]]],.]],.]
[[.,[[.,[.,[[[.,.],.],.]]],.]],.] => [[[[[],[],[]]],[]],[]] => [[.,[[.,[.,[[[.,.],.],.]]],.]],.]
[[.,[[.,[[.,.],[.,[.,.]]]],.]],.] => [[[[],[[[]]]],[]],[]] => [[.,[[.,[[.,.],[.,[.,.]]]],.]],.]
[[.,[[.,[[.,.],[[.,.],.]]],.]],.] => [[[[],[[],[]]],[]],[]] => [[.,[[.,[[.,.],[[.,.],.]]],.]],.]
[[.,[[.,[[.,[.,.]],[.,.]]],.]],.] => [[[[[]],[[]]],[]],[]] => [[.,[[.,[[.,[.,.]],[.,.]]],.]],.]
[[.,[[.,[[[.,.],.],[.,.]]],.]],.] => [[[[],[],[[]]],[]],[]] => [[.,[[.,[[[.,.],.],[.,.]]],.]],.]
[[.,[[.,[[.,[.,[.,.]]],.]],.]],.] => [[[[[[]]],[]],[]],[]] => [[.,[[.,[[.,[.,[.,.]]],.]],.]],.]
[[.,[[.,[[.,[[.,.],.]],.]],.]],.] => [[[[[],[]],[]],[]],[]] => [[.,[[.,[[.,[[.,.],.]],.]],.]],.]
[[.,[[.,[[[.,.],[.,.]],.]],.]],.] => [[[[],[[]],[]],[]],[]] => [[.,[[.,[[[.,.],[.,.]],.]],.]],.]
[[.,[[.,[[[.,[.,.]],.],.]],.]],.] => [[[[[]],[],[]],[]],[]] => [[.,[[.,[[[.,[.,.]],.],.]],.]],.]
[[.,[[.,[[[[.,.],.],.],.]],.]],.] => [[[[],[],[],[]],[]],[]] => [[.,[[.,[[[[.,.],.],.],.]],.]],.]
[[.,[[[.,.],[.,[.,[.,.]]]],.]],.] => [[[],[[[[]]]],[]],[]] => [[.,[[[.,.],[.,[.,[.,.]]]],.]],.]
[[.,[[[.,.],[.,[[.,.],.]]],.]],.] => [[[],[[[],[]]],[]],[]] => [[.,[[[.,.],[.,[[.,.],.]]],.]],.]
[[.,[[[.,.],[[.,.],[.,.]]],.]],.] => [[[],[[],[[]]],[]],[]] => [[.,[[[.,.],[[.,.],[.,.]]],.]],.]
[[.,[[[.,.],[[.,[.,.]],.]],.]],.] => [[[],[[[]],[]],[]],[]] => [[.,[[[.,.],[[.,[.,.]],.]],.]],.]
[[.,[[[.,.],[[[.,.],.],.]],.]],.] => [[[],[[],[],[]],[]],[]] => [[.,[[[.,.],[[[.,.],.],.]],.]],.]
[[.,[[[.,[.,.]],[.,[.,.]]],.]],.] => [[[[]],[[[]]],[]],[]] => [[.,[[[.,[.,.]],[.,[.,.]]],.]],.]
[[.,[[[.,[.,.]],[[.,.],.]],.]],.] => [[[[]],[[],[]],[]],[]] => [[.,[[[.,[.,.]],[[.,.],.]],.]],.]
[[.,[[[[.,.],.],[.,[.,.]]],.]],.] => [[[],[],[[[]]],[]],[]] => [[.,[[[[.,.],.],[.,[.,.]]],.]],.]
[[.,[[[[.,.],.],[[.,.],.]],.]],.] => [[[],[],[[],[]],[]],[]] => [[.,[[[[.,.],.],[[.,.],.]],.]],.]
[[.,[[[.,[.,[.,.]]],[.,.]],.]],.] => [[[[[]]],[[]],[]],[]] => [[.,[[[.,[.,[.,.]]],[.,.]],.]],.]
[[.,[[[.,[[.,.],.]],[.,.]],.]],.] => [[[[],[]],[[]],[]],[]] => [[.,[[[.,[[.,.],.]],[.,.]],.]],.]
[[.,[[[[.,.],[.,.]],[.,.]],.]],.] => [[[],[[]],[[]],[]],[]] => [[.,[[[[.,.],[.,.]],[.,.]],.]],.]
[[.,[[[[.,[.,.]],.],[.,.]],.]],.] => [[[[]],[],[[]],[]],[]] => [[.,[[[[.,[.,.]],.],[.,.]],.]],.]
[[.,[[[[[.,.],.],.],[.,.]],.]],.] => [[[],[],[],[[]],[]],[]] => [[.,[[[[[.,.],.],.],[.,.]],.]],.]
[[.,[[[.,[.,[.,[.,.]]]],.],.]],.] => [[[[[[]]]],[],[]],[]] => [[.,[[[.,[.,[.,[.,.]]]],.],.]],.]
[[.,[[[.,[.,[[.,.],.]]],.],.]],.] => [[[[[],[]]],[],[]],[]] => [[.,[[[.,[.,[[.,.],.]]],.],.]],.]
[[.,[[[.,[[.,.],[.,.]]],.],.]],.] => [[[[],[[]]],[],[]],[]] => [[.,[[[.,[[.,.],[.,.]]],.],.]],.]
[[.,[[[.,[[.,[.,.]],.]],.],.]],.] => [[[[[]],[]],[],[]],[]] => [[.,[[[.,[[.,[.,.]],.]],.],.]],.]
[[.,[[[.,[[[.,.],.],.]],.],.]],.] => [[[[],[],[]],[],[]],[]] => [[.,[[[.,[[[.,.],.],.]],.],.]],.]
[[.,[[[[.,.],[.,[.,.]]],.],.]],.] => [[[],[[[]]],[],[]],[]] => [[.,[[[[.,.],[.,[.,.]]],.],.]],.]
[[.,[[[[.,.],[[.,.],.]],.],.]],.] => [[[],[[],[]],[],[]],[]] => [[.,[[[[.,.],[[.,.],.]],.],.]],.]
[[.,[[[[.,[.,.]],[.,.]],.],.]],.] => [[[[]],[[]],[],[]],[]] => [[.,[[[[.,[.,.]],[.,.]],.],.]],.]
[[.,[[[[[.,.],.],[.,.]],.],.]],.] => [[[],[],[[]],[],[]],[]] => [[.,[[[[[.,.],.],[.,.]],.],.]],.]
[[.,[[[[.,[.,[.,.]]],.],.],.]],.] => [[[[[]]],[],[],[]],[]] => [[.,[[[[.,[.,[.,.]]],.],.],.]],.]
[[.,[[[[.,[[.,.],.]],.],.],.]],.] => [[[[],[]],[],[],[]],[]] => [[.,[[[[.,[[.,.],.]],.],.],.]],.]
[[.,[[[[[.,.],[.,.]],.],.],.]],.] => [[[],[[]],[],[],[]],[]] => [[.,[[[[[.,.],[.,.]],.],.],.]],.]
[[.,[[[[[.,[.,.]],.],.],.],.]],.] => [[[[]],[],[],[],[]],[]] => [[.,[[[[[.,[.,.]],.],.],.],.]],.]
[[.,[[[[[[.,.],.],.],.],.],.]],.] => [[[],[],[],[],[],[]],[]] => [[.,[[[[[[.,.],.],.],.],.],.]],.]
[[[.,.],[.,[.,[.,[.,[.,.]]]]]],.] => [[],[[[[[[]]]]]],[]] => [[[.,.],[.,[.,[.,[.,[.,.]]]]]],.]
[[[.,.],[.,[.,[.,[[.,.],.]]]]],.] => [[],[[[[[],[]]]]],[]] => [[[.,.],[.,[.,[.,[[.,.],.]]]]],.]
[[[.,.],[.,[.,[[.,.],[.,.]]]]],.] => [[],[[[[],[[]]]]],[]] => [[[.,.],[.,[.,[[.,.],[.,.]]]]],.]
[[[.,.],[.,[.,[[.,[.,.]],.]]]],.] => [[],[[[[[]],[]]]],[]] => [[[.,.],[.,[.,[[.,[.,.]],.]]]],.]
[[[.,.],[.,[.,[[[.,.],.],.]]]],.] => [[],[[[[],[],[]]]],[]] => [[[.,.],[.,[.,[[[.,.],.],.]]]],.]
[[[.,.],[.,[[.,.],[.,[.,.]]]]],.] => [[],[[[],[[[]]]]],[]] => [[[.,.],[.,[[.,.],[.,[.,.]]]]],.]
[[[.,.],[.,[[.,.],[[.,.],.]]]],.] => [[],[[[],[[],[]]]],[]] => [[[.,.],[.,[[.,.],[[.,.],.]]]],.]
[[[.,.],[.,[[.,[.,.]],[.,.]]]],.] => [[],[[[[]],[[]]]],[]] => [[[.,.],[.,[[.,[.,.]],[.,.]]]],.]
[[[.,.],[.,[[[.,.],.],[.,.]]]],.] => [[],[[[],[],[[]]]],[]] => [[[.,.],[.,[[[.,.],.],[.,.]]]],.]
[[[.,.],[.,[[.,[.,[.,.]]],.]]],.] => [[],[[[[[]]],[]]],[]] => [[[.,.],[.,[[.,[.,[.,.]]],.]]],.]
[[[.,.],[.,[[.,[[.,.],.]],.]]],.] => [[],[[[[],[]],[]]],[]] => [[[.,.],[.,[[.,[[.,.],.]],.]]],.]
[[[.,.],[.,[[[.,.],[.,.]],.]]],.] => [[],[[[],[[]],[]]],[]] => [[[.,.],[.,[[[.,.],[.,.]],.]]],.]
[[[.,.],[.,[[[.,[.,.]],.],.]]],.] => [[],[[[[]],[],[]]],[]] => [[[.,.],[.,[[[.,[.,.]],.],.]]],.]
[[[.,.],[.,[[[[.,.],.],.],.]]],.] => [[],[[[],[],[],[]]],[]] => [[[.,.],[.,[[[[.,.],.],.],.]]],.]
[[[.,.],[[.,.],[.,[.,[.,.]]]]],.] => [[],[[],[[[[]]]]],[]] => [[[.,.],[[.,.],[.,[.,[.,.]]]]],.]
[[[.,.],[[.,.],[.,[[.,.],.]]]],.] => [[],[[],[[[],[]]]],[]] => [[[.,.],[[.,.],[.,[[.,.],.]]]],.]
[[[.,.],[[.,.],[[.,.],[.,.]]]],.] => [[],[[],[[],[[]]]],[]] => [[[.,.],[[.,.],[[.,.],[.,.]]]],.]
[[[.,.],[[.,.],[[.,[.,.]],.]]],.] => [[],[[],[[[]],[]]],[]] => [[[.,.],[[.,.],[[.,[.,.]],.]]],.]
[[[.,.],[[.,.],[[[.,.],.],.]]],.] => [[],[[],[[],[],[]]],[]] => [[[.,.],[[.,.],[[[.,.],.],.]]],.]
[[[.,.],[[.,[.,.]],[.,[.,.]]]],.] => [[],[[[]],[[[]]]],[]] => [[[.,.],[[.,[.,.]],[.,[.,.]]]],.]
[[[.,.],[[.,[.,.]],[[.,.],.]]],.] => [[],[[[]],[[],[]]],[]] => [[[.,.],[[.,[.,.]],[[.,.],.]]],.]
[[[.,.],[[[.,.],.],[.,[.,.]]]],.] => [[],[[],[],[[[]]]],[]] => [[[.,.],[[[.,.],.],[.,[.,.]]]],.]
[[[.,.],[[[.,.],.],[[.,.],.]]],.] => [[],[[],[],[[],[]]],[]] => [[[.,.],[[[.,.],.],[[.,.],.]]],.]
[[[.,.],[[.,[.,[.,.]]],[.,.]]],.] => [[],[[[[]]],[[]]],[]] => [[[.,.],[[.,[.,[.,.]]],[.,.]]],.]
[[[.,.],[[.,[[.,.],.]],[.,.]]],.] => [[],[[[],[]],[[]]],[]] => [[[.,.],[[.,[[.,.],.]],[.,.]]],.]
[[[.,.],[[[.,.],[.,.]],[.,.]]],.] => [[],[[],[[]],[[]]],[]] => [[[.,.],[[[.,.],[.,.]],[.,.]]],.]
[[[.,.],[[[.,[.,.]],.],[.,.]]],.] => [[],[[[]],[],[[]]],[]] => [[[.,.],[[[.,[.,.]],.],[.,.]]],.]
[[[.,.],[[[[.,.],.],.],[.,.]]],.] => [[],[[],[],[],[[]]],[]] => [[[.,.],[[[[.,.],.],.],[.,.]]],.]
[[[.,.],[[.,[.,[.,[.,.]]]],.]],.] => [[],[[[[[]]]],[]],[]] => [[[.,.],[[.,[.,[.,[.,.]]]],.]],.]
[[[.,.],[[.,[.,[[.,.],.]]],.]],.] => [[],[[[[],[]]],[]],[]] => [[[.,.],[[.,[.,[[.,.],.]]],.]],.]
[[[.,.],[[.,[[.,.],[.,.]]],.]],.] => [[],[[[],[[]]],[]],[]] => [[[.,.],[[.,[[.,.],[.,.]]],.]],.]
[[[.,.],[[.,[[.,[.,.]],.]],.]],.] => [[],[[[[]],[]],[]],[]] => [[[.,.],[[.,[[.,[.,.]],.]],.]],.]
[[[.,.],[[.,[[[.,.],.],.]],.]],.] => [[],[[[],[],[]],[]],[]] => [[[.,.],[[.,[[[.,.],.],.]],.]],.]
[[[.,.],[[[.,.],[.,[.,.]]],.]],.] => [[],[[],[[[]]],[]],[]] => [[[.,.],[[[.,.],[.,[.,.]]],.]],.]
[[[.,.],[[[.,.],[[.,.],.]],.]],.] => [[],[[],[[],[]],[]],[]] => [[[.,.],[[[.,.],[[.,.],.]],.]],.]
[[[.,.],[[[.,[.,.]],[.,.]],.]],.] => [[],[[[]],[[]],[]],[]] => [[[.,.],[[[.,[.,.]],[.,.]],.]],.]
[[[.,.],[[[[.,.],.],[.,.]],.]],.] => [[],[[],[],[[]],[]],[]] => [[[.,.],[[[[.,.],.],[.,.]],.]],.]
[[[.,.],[[[.,[.,[.,.]]],.],.]],.] => [[],[[[[]]],[],[]],[]] => [[[.,.],[[[.,[.,[.,.]]],.],.]],.]
[[[.,.],[[[.,[[.,.],.]],.],.]],.] => [[],[[[],[]],[],[]],[]] => [[[.,.],[[[.,[[.,.],.]],.],.]],.]
[[[.,.],[[[[.,.],[.,.]],.],.]],.] => [[],[[],[[]],[],[]],[]] => [[[.,.],[[[[.,.],[.,.]],.],.]],.]
[[[.,.],[[[[.,[.,.]],.],.],.]],.] => [[],[[[]],[],[],[]],[]] => [[[.,.],[[[[.,[.,.]],.],.],.]],.]
[[[.,.],[[[[[.,.],.],.],.],.]],.] => [[],[[],[],[],[],[]],[]] => [[[.,.],[[[[[.,.],.],.],.],.]],.]
[[[.,[.,.]],[.,[.,[.,[.,.]]]]],.] => [[[]],[[[[[]]]]],[]] => [[[.,[.,.]],[.,[.,[.,[.,.]]]]],.]
[[[.,[.,.]],[.,[.,[[.,.],.]]]],.] => [[[]],[[[[],[]]]],[]] => [[[.,[.,.]],[.,[.,[[.,.],.]]]],.]
[[[.,[.,.]],[.,[[.,.],[.,.]]]],.] => [[[]],[[[],[[]]]],[]] => [[[.,[.,.]],[.,[[.,.],[.,.]]]],.]
[[[.,[.,.]],[.,[[.,[.,.]],.]]],.] => [[[]],[[[[]],[]]],[]] => [[[.,[.,.]],[.,[[.,[.,.]],.]]],.]
[[[.,[.,.]],[.,[[[.,.],.],.]]],.] => [[[]],[[[],[],[]]],[]] => [[[.,[.,.]],[.,[[[.,.],.],.]]],.]
[[[.,[.,.]],[[.,.],[.,[.,.]]]],.] => [[[]],[[],[[[]]]],[]] => [[[.,[.,.]],[[.,.],[.,[.,.]]]],.]
[[[.,[.,.]],[[.,.],[[.,.],.]]],.] => [[[]],[[],[[],[]]],[]] => [[[.,[.,.]],[[.,.],[[.,.],.]]],.]
[[[.,[.,.]],[[.,[.,.]],[.,.]]],.] => [[[]],[[[]],[[]]],[]] => [[[.,[.,.]],[[.,[.,.]],[.,.]]],.]
[[[.,[.,.]],[[[.,.],.],[.,.]]],.] => [[[]],[[],[],[[]]],[]] => [[[.,[.,.]],[[[.,.],.],[.,.]]],.]
[[[.,[.,.]],[[.,[.,[.,.]]],.]],.] => [[[]],[[[[]]],[]],[]] => [[[.,[.,.]],[[.,[.,[.,.]]],.]],.]
[[[.,[.,.]],[[.,[[.,.],.]],.]],.] => [[[]],[[[],[]],[]],[]] => [[[.,[.,.]],[[.,[[.,.],.]],.]],.]
[[[.,[.,.]],[[[.,.],[.,.]],.]],.] => [[[]],[[],[[]],[]],[]] => [[[.,[.,.]],[[[.,.],[.,.]],.]],.]
[[[.,[.,.]],[[[.,[.,.]],.],.]],.] => [[[]],[[[]],[],[]],[]] => [[[.,[.,.]],[[[.,[.,.]],.],.]],.]
[[[.,[.,.]],[[[[.,.],.],.],.]],.] => [[[]],[[],[],[],[]],[]] => [[[.,[.,.]],[[[[.,.],.],.],.]],.]
[[[[.,.],.],[.,[.,[.,[.,.]]]]],.] => [[],[],[[[[[]]]]],[]] => [[[[.,.],.],[.,[.,[.,[.,.]]]]],.]
[[[[.,.],.],[.,[.,[[.,.],.]]]],.] => [[],[],[[[[],[]]]],[]] => [[[[.,.],.],[.,[.,[[.,.],.]]]],.]
[[[[.,.],.],[.,[[.,.],[.,.]]]],.] => [[],[],[[[],[[]]]],[]] => [[[[.,.],.],[.,[[.,.],[.,.]]]],.]
[[[[.,.],.],[.,[[.,[.,.]],.]]],.] => [[],[],[[[[]],[]]],[]] => [[[[.,.],.],[.,[[.,[.,.]],.]]],.]
[[[[.,.],.],[.,[[[.,.],.],.]]],.] => [[],[],[[[],[],[]]],[]] => [[[[.,.],.],[.,[[[.,.],.],.]]],.]
[[[[.,.],.],[[.,.],[.,[.,.]]]],.] => [[],[],[[],[[[]]]],[]] => [[[[.,.],.],[[.,.],[.,[.,.]]]],.]
[[[[.,.],.],[[.,.],[[.,.],.]]],.] => [[],[],[[],[[],[]]],[]] => [[[[.,.],.],[[.,.],[[.,.],.]]],.]
[[[[.,.],.],[[.,[.,.]],[.,.]]],.] => [[],[],[[[]],[[]]],[]] => [[[[.,.],.],[[.,[.,.]],[.,.]]],.]
[[[[.,.],.],[[[.,.],.],[.,.]]],.] => [[],[],[[],[],[[]]],[]] => [[[[.,.],.],[[[.,.],.],[.,.]]],.]
[[[[.,.],.],[[.,[.,[.,.]]],.]],.] => [[],[],[[[[]]],[]],[]] => [[[[.,.],.],[[.,[.,[.,.]]],.]],.]
[[[[.,.],.],[[.,[[.,.],.]],.]],.] => [[],[],[[[],[]],[]],[]] => [[[[.,.],.],[[.,[[.,.],.]],.]],.]
[[[[.,.],.],[[[.,.],[.,.]],.]],.] => [[],[],[[],[[]],[]],[]] => [[[[.,.],.],[[[.,.],[.,.]],.]],.]
[[[[.,.],.],[[[.,[.,.]],.],.]],.] => [[],[],[[[]],[],[]],[]] => [[[[.,.],.],[[[.,[.,.]],.],.]],.]
[[[[.,.],.],[[[[.,.],.],.],.]],.] => [[],[],[[],[],[],[]],[]] => [[[[.,.],.],[[[[.,.],.],.],.]],.]
[[[.,[.,[.,.]]],[.,[.,[.,.]]]],.] => [[[[]]],[[[[]]]],[]] => [[[.,[.,[.,.]]],[.,[.,[.,.]]]],.]
[[[.,[.,[.,.]]],[.,[[.,.],.]]],.] => [[[[]]],[[[],[]]],[]] => [[[.,[.,[.,.]]],[.,[[.,.],.]]],.]
[[[.,[.,[.,.]]],[[.,.],[.,.]]],.] => [[[[]]],[[],[[]]],[]] => [[[.,[.,[.,.]]],[[.,.],[.,.]]],.]
[[[.,[.,[.,.]]],[[.,[.,.]],.]],.] => [[[[]]],[[[]],[]],[]] => [[[.,[.,[.,.]]],[[.,[.,.]],.]],.]
[[[.,[.,[.,.]]],[[[.,.],.],.]],.] => [[[[]]],[[],[],[]],[]] => [[[.,[.,[.,.]]],[[[.,.],.],.]],.]
[[[.,[[.,.],.]],[.,[.,[.,.]]]],.] => [[[],[]],[[[[]]]],[]] => [[[.,[[.,.],.]],[.,[.,[.,.]]]],.]
[[[.,[[.,.],.]],[.,[[.,.],.]]],.] => [[[],[]],[[[],[]]],[]] => [[[.,[[.,.],.]],[.,[[.,.],.]]],.]
[[[.,[[.,.],.]],[[.,.],[.,.]]],.] => [[[],[]],[[],[[]]],[]] => [[[.,[[.,.],.]],[[.,.],[.,.]]],.]
[[[.,[[.,.],.]],[[.,[.,.]],.]],.] => [[[],[]],[[[]],[]],[]] => [[[.,[[.,.],.]],[[.,[.,.]],.]],.]
[[[.,[[.,.],.]],[[[.,.],.],.]],.] => [[[],[]],[[],[],[]],[]] => [[[.,[[.,.],.]],[[[.,.],.],.]],.]
[[[[.,.],[.,.]],[.,[.,[.,.]]]],.] => [[],[[]],[[[[]]]],[]] => [[[[.,.],[.,.]],[.,[.,[.,.]]]],.]
[[[[.,.],[.,.]],[.,[[.,.],.]]],.] => [[],[[]],[[[],[]]],[]] => [[[[.,.],[.,.]],[.,[[.,.],.]]],.]
[[[[.,.],[.,.]],[[.,.],[.,.]]],.] => [[],[[]],[[],[[]]],[]] => [[[[.,.],[.,.]],[[.,.],[.,.]]],.]
[[[[.,.],[.,.]],[[.,[.,.]],.]],.] => [[],[[]],[[[]],[]],[]] => [[[[.,.],[.,.]],[[.,[.,.]],.]],.]
[[[[.,.],[.,.]],[[[.,.],.],.]],.] => [[],[[]],[[],[],[]],[]] => [[[[.,.],[.,.]],[[[.,.],.],.]],.]
[[[[.,[.,.]],.],[.,[.,[.,.]]]],.] => [[[]],[],[[[[]]]],[]] => [[[[.,[.,.]],.],[.,[.,[.,.]]]],.]
[[[[.,[.,.]],.],[.,[[.,.],.]]],.] => [[[]],[],[[[],[]]],[]] => [[[[.,[.,.]],.],[.,[[.,.],.]]],.]
[[[[.,[.,.]],.],[[.,.],[.,.]]],.] => [[[]],[],[[],[[]]],[]] => [[[[.,[.,.]],.],[[.,.],[.,.]]],.]
[[[[.,[.,.]],.],[[.,[.,.]],.]],.] => [[[]],[],[[[]],[]],[]] => [[[[.,[.,.]],.],[[.,[.,.]],.]],.]
[[[[.,[.,.]],.],[[[.,.],.],.]],.] => [[[]],[],[[],[],[]],[]] => [[[[.,[.,.]],.],[[[.,.],.],.]],.]
[[[[[.,.],.],.],[.,[.,[.,.]]]],.] => [[],[],[],[[[[]]]],[]] => [[[[[.,.],.],.],[.,[.,[.,.]]]],.]
[[[[[.,.],.],.],[.,[[.,.],.]]],.] => [[],[],[],[[[],[]]],[]] => [[[[[.,.],.],.],[.,[[.,.],.]]],.]
[[[[[.,.],.],.],[[.,.],[.,.]]],.] => [[],[],[],[[],[[]]],[]] => [[[[[.,.],.],.],[[.,.],[.,.]]],.]
[[[[[.,.],.],.],[[.,[.,.]],.]],.] => [[],[],[],[[[]],[]],[]] => [[[[[.,.],.],.],[[.,[.,.]],.]],.]
[[[[[.,.],.],.],[[[.,.],.],.]],.] => [[],[],[],[[],[],[]],[]] => [[[[[.,.],.],.],[[[.,.],.],.]],.]
[[[.,[.,[.,[.,.]]]],[.,[.,.]]],.] => [[[[[]]]],[[[]]],[]] => [[[.,[.,[.,[.,.]]]],[.,[.,.]]],.]
[[[.,[.,[.,[.,.]]]],[[.,.],.]],.] => [[[[[]]]],[[],[]],[]] => [[[.,[.,[.,[.,.]]]],[[.,.],.]],.]
[[[.,[.,[[.,.],.]]],[.,[.,.]]],.] => [[[[],[]]],[[[]]],[]] => [[[.,[.,[[.,.],.]]],[.,[.,.]]],.]
[[[.,[.,[[.,.],.]]],[[.,.],.]],.] => [[[[],[]]],[[],[]],[]] => [[[.,[.,[[.,.],.]]],[[.,.],.]],.]
[[[.,[[.,.],[.,.]]],[.,[.,.]]],.] => [[[],[[]]],[[[]]],[]] => [[[.,[[.,.],[.,.]]],[.,[.,.]]],.]
[[[.,[[.,.],[.,.]]],[[.,.],.]],.] => [[[],[[]]],[[],[]],[]] => [[[.,[[.,.],[.,.]]],[[.,.],.]],.]
[[[.,[[.,[.,.]],.]],[.,[.,.]]],.] => [[[[]],[]],[[[]]],[]] => [[[.,[[.,[.,.]],.]],[.,[.,.]]],.]
[[[.,[[.,[.,.]],.]],[[.,.],.]],.] => [[[[]],[]],[[],[]],[]] => [[[.,[[.,[.,.]],.]],[[.,.],.]],.]
[[[.,[[[.,.],.],.]],[.,[.,.]]],.] => [[[],[],[]],[[[]]],[]] => [[[.,[[[.,.],.],.]],[.,[.,.]]],.]
[[[.,[[[.,.],.],.]],[[.,.],.]],.] => [[[],[],[]],[[],[]],[]] => [[[.,[[[.,.],.],.]],[[.,.],.]],.]
[[[[.,.],[.,[.,.]]],[.,[.,.]]],.] => [[],[[[]]],[[[]]],[]] => [[[[.,.],[.,[.,.]]],[.,[.,.]]],.]
[[[[.,.],[.,[.,.]]],[[.,.],.]],.] => [[],[[[]]],[[],[]],[]] => [[[[.,.],[.,[.,.]]],[[.,.],.]],.]
[[[[.,.],[[.,.],.]],[.,[.,.]]],.] => [[],[[],[]],[[[]]],[]] => [[[[.,.],[[.,.],.]],[.,[.,.]]],.]
[[[[.,.],[[.,.],.]],[[.,.],.]],.] => [[],[[],[]],[[],[]],[]] => [[[[.,.],[[.,.],.]],[[.,.],.]],.]
[[[[.,[.,.]],[.,.]],[.,[.,.]]],.] => [[[]],[[]],[[[]]],[]] => [[[[.,[.,.]],[.,.]],[.,[.,.]]],.]
[[[[.,[.,.]],[.,.]],[[.,.],.]],.] => [[[]],[[]],[[],[]],[]] => [[[[.,[.,.]],[.,.]],[[.,.],.]],.]
[[[[[.,.],.],[.,.]],[.,[.,.]]],.] => [[],[],[[]],[[[]]],[]] => [[[[[.,.],.],[.,.]],[.,[.,.]]],.]
[[[[[.,.],.],[.,.]],[[.,.],.]],.] => [[],[],[[]],[[],[]],[]] => [[[[[.,.],.],[.,.]],[[.,.],.]],.]
[[[[.,[.,[.,.]]],.],[.,[.,.]]],.] => [[[[]]],[],[[[]]],[]] => [[[[.,[.,[.,.]]],.],[.,[.,.]]],.]
[[[[.,[.,[.,.]]],.],[[.,.],.]],.] => [[[[]]],[],[[],[]],[]] => [[[[.,[.,[.,.]]],.],[[.,.],.]],.]
[[[[.,[[.,.],.]],.],[.,[.,.]]],.] => [[[],[]],[],[[[]]],[]] => [[[[.,[[.,.],.]],.],[.,[.,.]]],.]
[[[[.,[[.,.],.]],.],[[.,.],.]],.] => [[[],[]],[],[[],[]],[]] => [[[[.,[[.,.],.]],.],[[.,.],.]],.]
[[[[[.,.],[.,.]],.],[.,[.,.]]],.] => [[],[[]],[],[[[]]],[]] => [[[[[.,.],[.,.]],.],[.,[.,.]]],.]
[[[[[.,.],[.,.]],.],[[.,.],.]],.] => [[],[[]],[],[[],[]],[]] => [[[[[.,.],[.,.]],.],[[.,.],.]],.]
[[[[[.,[.,.]],.],.],[.,[.,.]]],.] => [[[]],[],[],[[[]]],[]] => [[[[[.,[.,.]],.],.],[.,[.,.]]],.]
[[[[[.,[.,.]],.],.],[[.,.],.]],.] => [[[]],[],[],[[],[]],[]] => [[[[[.,[.,.]],.],.],[[.,.],.]],.]
[[[[[[.,.],.],.],.],[.,[.,.]]],.] => [[],[],[],[],[[[]]],[]] => [[[[[[.,.],.],.],.],[.,[.,.]]],.]
[[[[[[.,.],.],.],.],[[.,.],.]],.] => [[],[],[],[],[[],[]],[]] => [[[[[[.,.],.],.],.],[[.,.],.]],.]
[[[.,[.,[.,[.,[.,.]]]]],[.,.]],.] => [[[[[[]]]]],[[]],[]] => [[[.,[.,[.,[.,[.,.]]]]],[.,.]],.]
[[[.,[.,[.,[[.,.],.]]]],[.,.]],.] => [[[[[],[]]]],[[]],[]] => [[[.,[.,[.,[[.,.],.]]]],[.,.]],.]
[[[.,[.,[[.,.],[.,.]]]],[.,.]],.] => [[[[],[[]]]],[[]],[]] => [[[.,[.,[[.,.],[.,.]]]],[.,.]],.]
[[[.,[.,[[.,[.,.]],.]]],[.,.]],.] => [[[[[]],[]]],[[]],[]] => [[[.,[.,[[.,[.,.]],.]]],[.,.]],.]
[[[.,[.,[[[.,.],.],.]]],[.,.]],.] => [[[[],[],[]]],[[]],[]] => [[[.,[.,[[[.,.],.],.]]],[.,.]],.]
[[[.,[[.,.],[.,[.,.]]]],[.,.]],.] => [[[],[[[]]]],[[]],[]] => [[[.,[[.,.],[.,[.,.]]]],[.,.]],.]
[[[.,[[.,.],[[.,.],.]]],[.,.]],.] => [[[],[[],[]]],[[]],[]] => [[[.,[[.,.],[[.,.],.]]],[.,.]],.]
[[[.,[[.,[.,.]],[.,.]]],[.,.]],.] => [[[[]],[[]]],[[]],[]] => [[[.,[[.,[.,.]],[.,.]]],[.,.]],.]
[[[.,[[[.,.],.],[.,.]]],[.,.]],.] => [[[],[],[[]]],[[]],[]] => [[[.,[[[.,.],.],[.,.]]],[.,.]],.]
[[[.,[[.,[.,[.,.]]],.]],[.,.]],.] => [[[[[]]],[]],[[]],[]] => [[[.,[[.,[.,[.,.]]],.]],[.,.]],.]
[[[.,[[.,[[.,.],.]],.]],[.,.]],.] => [[[[],[]],[]],[[]],[]] => [[[.,[[.,[[.,.],.]],.]],[.,.]],.]
[[[.,[[[.,.],[.,.]],.]],[.,.]],.] => [[[],[[]],[]],[[]],[]] => [[[.,[[[.,.],[.,.]],.]],[.,.]],.]
[[[.,[[[.,[.,.]],.],.]],[.,.]],.] => [[[[]],[],[]],[[]],[]] => [[[.,[[[.,[.,.]],.],.]],[.,.]],.]
[[[.,[[[[.,.],.],.],.]],[.,.]],.] => [[[],[],[],[]],[[]],[]] => [[[.,[[[[.,.],.],.],.]],[.,.]],.]
[[[[.,.],[.,[.,[.,.]]]],[.,.]],.] => [[],[[[[]]]],[[]],[]] => [[[[.,.],[.,[.,[.,.]]]],[.,.]],.]
[[[[.,.],[.,[[.,.],.]]],[.,.]],.] => [[],[[[],[]]],[[]],[]] => [[[[.,.],[.,[[.,.],.]]],[.,.]],.]
[[[[.,.],[[.,.],[.,.]]],[.,.]],.] => [[],[[],[[]]],[[]],[]] => [[[[.,.],[[.,.],[.,.]]],[.,.]],.]
[[[[.,.],[[.,[.,.]],.]],[.,.]],.] => [[],[[[]],[]],[[]],[]] => [[[[.,.],[[.,[.,.]],.]],[.,.]],.]
[[[[.,.],[[[.,.],.],.]],[.,.]],.] => [[],[[],[],[]],[[]],[]] => [[[[.,.],[[[.,.],.],.]],[.,.]],.]
[[[[.,[.,.]],[.,[.,.]]],[.,.]],.] => [[[]],[[[]]],[[]],[]] => [[[[.,[.,.]],[.,[.,.]]],[.,.]],.]
[[[[.,[.,.]],[[.,.],.]],[.,.]],.] => [[[]],[[],[]],[[]],[]] => [[[[.,[.,.]],[[.,.],.]],[.,.]],.]
[[[[[.,.],.],[.,[.,.]]],[.,.]],.] => [[],[],[[[]]],[[]],[]] => [[[[[.,.],.],[.,[.,.]]],[.,.]],.]
[[[[[.,.],.],[[.,.],.]],[.,.]],.] => [[],[],[[],[]],[[]],[]] => [[[[[.,.],.],[[.,.],.]],[.,.]],.]
[[[[.,[.,[.,.]]],[.,.]],[.,.]],.] => [[[[]]],[[]],[[]],[]] => [[[[.,[.,[.,.]]],[.,.]],[.,.]],.]
[[[[.,[[.,.],.]],[.,.]],[.,.]],.] => [[[],[]],[[]],[[]],[]] => [[[[.,[[.,.],.]],[.,.]],[.,.]],.]
[[[[[.,.],[.,.]],[.,.]],[.,.]],.] => [[],[[]],[[]],[[]],[]] => [[[[[.,.],[.,.]],[.,.]],[.,.]],.]
[[[[[.,[.,.]],.],[.,.]],[.,.]],.] => [[[]],[],[[]],[[]],[]] => [[[[[.,[.,.]],.],[.,.]],[.,.]],.]
[[[[[[.,.],.],.],[.,.]],[.,.]],.] => [[],[],[],[[]],[[]],[]] => [[[[[[.,.],.],.],[.,.]],[.,.]],.]
[[[[.,[.,[.,[.,.]]]],.],[.,.]],.] => [[[[[]]]],[],[[]],[]] => [[[[.,[.,[.,[.,.]]]],.],[.,.]],.]
[[[[.,[.,[[.,.],.]]],.],[.,.]],.] => [[[[],[]]],[],[[]],[]] => [[[[.,[.,[[.,.],.]]],.],[.,.]],.]
[[[[.,[[.,.],[.,.]]],.],[.,.]],.] => [[[],[[]]],[],[[]],[]] => [[[[.,[[.,.],[.,.]]],.],[.,.]],.]
[[[[.,[[.,[.,.]],.]],.],[.,.]],.] => [[[[]],[]],[],[[]],[]] => [[[[.,[[.,[.,.]],.]],.],[.,.]],.]
[[[[.,[[[.,.],.],.]],.],[.,.]],.] => [[[],[],[]],[],[[]],[]] => [[[[.,[[[.,.],.],.]],.],[.,.]],.]
[[[[[.,.],[.,[.,.]]],.],[.,.]],.] => [[],[[[]]],[],[[]],[]] => [[[[[.,.],[.,[.,.]]],.],[.,.]],.]
[[[[[.,.],[[.,.],.]],.],[.,.]],.] => [[],[[],[]],[],[[]],[]] => [[[[[.,.],[[.,.],.]],.],[.,.]],.]
[[[[[.,[.,.]],[.,.]],.],[.,.]],.] => [[[]],[[]],[],[[]],[]] => [[[[[.,[.,.]],[.,.]],.],[.,.]],.]
[[[[[[.,.],.],[.,.]],.],[.,.]],.] => [[],[],[[]],[],[[]],[]] => [[[[[[.,.],.],[.,.]],.],[.,.]],.]
[[[[[.,[.,[.,.]]],.],.],[.,.]],.] => [[[[]]],[],[],[[]],[]] => [[[[[.,[.,[.,.]]],.],.],[.,.]],.]
[[[[[.,[[.,.],.]],.],.],[.,.]],.] => [[[],[]],[],[],[[]],[]] => [[[[[.,[[.,.],.]],.],.],[.,.]],.]
[[[[[[.,.],[.,.]],.],.],[.,.]],.] => [[],[[]],[],[],[[]],[]] => [[[[[[.,.],[.,.]],.],.],[.,.]],.]
[[[[[[.,[.,.]],.],.],.],[.,.]],.] => [[[]],[],[],[],[[]],[]] => [[[[[[.,[.,.]],.],.],.],[.,.]],.]
[[[[[[[.,.],.],.],.],.],[.,.]],.] => [[],[],[],[],[],[[]],[]] => [[[[[[[.,.],.],.],.],.],[.,.]],.]
[[[.,[.,[.,[.,[.,[.,.]]]]]],.],.] => [[[[[[[]]]]]],[],[]] => [[[.,[.,[.,[.,[.,[.,.]]]]]],.],.]
[[[.,[.,[.,[.,[[.,.],.]]]]],.],.] => [[[[[[],[]]]]],[],[]] => [[[.,[.,[.,[.,[[.,.],.]]]]],.],.]
[[[.,[.,[.,[[.,.],[.,.]]]]],.],.] => [[[[[],[[]]]]],[],[]] => [[[.,[.,[.,[[.,.],[.,.]]]]],.],.]
[[[.,[.,[.,[[.,[.,.]],.]]]],.],.] => [[[[[[]],[]]]],[],[]] => [[[.,[.,[.,[[.,[.,.]],.]]]],.],.]
[[[.,[.,[.,[[[.,.],.],.]]]],.],.] => [[[[[],[],[]]]],[],[]] => [[[.,[.,[.,[[[.,.],.],.]]]],.],.]
[[[.,[.,[[.,.],[.,[.,.]]]]],.],.] => [[[[],[[[]]]]],[],[]] => [[[.,[.,[[.,.],[.,[.,.]]]]],.],.]
[[[.,[.,[[.,.],[[.,.],.]]]],.],.] => [[[[],[[],[]]]],[],[]] => [[[.,[.,[[.,.],[[.,.],.]]]],.],.]
[[[.,[.,[[.,[.,.]],[.,.]]]],.],.] => [[[[[]],[[]]]],[],[]] => [[[.,[.,[[.,[.,.]],[.,.]]]],.],.]
[[[.,[.,[[[.,.],.],[.,.]]]],.],.] => [[[[],[],[[]]]],[],[]] => [[[.,[.,[[[.,.],.],[.,.]]]],.],.]
[[[.,[.,[[.,[.,[.,.]]],.]]],.],.] => [[[[[[]]],[]]],[],[]] => [[[.,[.,[[.,[.,[.,.]]],.]]],.],.]
[[[.,[.,[[.,[[.,.],.]],.]]],.],.] => [[[[[],[]],[]]],[],[]] => [[[.,[.,[[.,[[.,.],.]],.]]],.],.]
[[[.,[.,[[[.,.],[.,.]],.]]],.],.] => [[[[],[[]],[]]],[],[]] => [[[.,[.,[[[.,.],[.,.]],.]]],.],.]
[[[.,[.,[[[.,[.,.]],.],.]]],.],.] => [[[[[]],[],[]]],[],[]] => [[[.,[.,[[[.,[.,.]],.],.]]],.],.]
[[[.,[.,[[[[.,.],.],.],.]]],.],.] => [[[[],[],[],[]]],[],[]] => [[[.,[.,[[[[.,.],.],.],.]]],.],.]
[[[.,[[.,.],[.,[.,[.,.]]]]],.],.] => [[[],[[[[]]]]],[],[]] => [[[.,[[.,.],[.,[.,[.,.]]]]],.],.]
[[[.,[[.,.],[.,[[.,.],.]]]],.],.] => [[[],[[[],[]]]],[],[]] => [[[.,[[.,.],[.,[[.,.],.]]]],.],.]
[[[.,[[.,.],[[.,.],[.,.]]]],.],.] => [[[],[[],[[]]]],[],[]] => [[[.,[[.,.],[[.,.],[.,.]]]],.],.]
[[[.,[[.,.],[[.,[.,.]],.]]],.],.] => [[[],[[[]],[]]],[],[]] => [[[.,[[.,.],[[.,[.,.]],.]]],.],.]
[[[.,[[.,.],[[[.,.],.],.]]],.],.] => [[[],[[],[],[]]],[],[]] => [[[.,[[.,.],[[[.,.],.],.]]],.],.]
[[[.,[[.,[.,.]],[.,[.,.]]]],.],.] => [[[[]],[[[]]]],[],[]] => [[[.,[[.,[.,.]],[.,[.,.]]]],.],.]
[[[.,[[.,[.,.]],[[.,.],.]]],.],.] => [[[[]],[[],[]]],[],[]] => [[[.,[[.,[.,.]],[[.,.],.]]],.],.]
[[[.,[[[.,.],.],[.,[.,.]]]],.],.] => [[[],[],[[[]]]],[],[]] => [[[.,[[[.,.],.],[.,[.,.]]]],.],.]
[[[.,[[[.,.],.],[[.,.],.]]],.],.] => [[[],[],[[],[]]],[],[]] => [[[.,[[[.,.],.],[[.,.],.]]],.],.]
[[[.,[[.,[.,[.,.]]],[.,.]]],.],.] => [[[[[]]],[[]]],[],[]] => [[[.,[[.,[.,[.,.]]],[.,.]]],.],.]
[[[.,[[.,[[.,.],.]],[.,.]]],.],.] => [[[[],[]],[[]]],[],[]] => [[[.,[[.,[[.,.],.]],[.,.]]],.],.]
[[[.,[[[.,.],[.,.]],[.,.]]],.],.] => [[[],[[]],[[]]],[],[]] => [[[.,[[[.,.],[.,.]],[.,.]]],.],.]
[[[.,[[[.,[.,.]],.],[.,.]]],.],.] => [[[[]],[],[[]]],[],[]] => [[[.,[[[.,[.,.]],.],[.,.]]],.],.]
[[[.,[[[[.,.],.],.],[.,.]]],.],.] => [[[],[],[],[[]]],[],[]] => [[[.,[[[[.,.],.],.],[.,.]]],.],.]
[[[.,[[.,[.,[.,[.,.]]]],.]],.],.] => [[[[[[]]]],[]],[],[]] => [[[.,[[.,[.,[.,[.,.]]]],.]],.],.]
[[[.,[[.,[.,[[.,.],.]]],.]],.],.] => [[[[[],[]]],[]],[],[]] => [[[.,[[.,[.,[[.,.],.]]],.]],.],.]
[[[.,[[.,[[.,.],[.,.]]],.]],.],.] => [[[[],[[]]],[]],[],[]] => [[[.,[[.,[[.,.],[.,.]]],.]],.],.]
[[[.,[[.,[[.,[.,.]],.]],.]],.],.] => [[[[[]],[]],[]],[],[]] => [[[.,[[.,[[.,[.,.]],.]],.]],.],.]
[[[.,[[.,[[[.,.],.],.]],.]],.],.] => [[[[],[],[]],[]],[],[]] => [[[.,[[.,[[[.,.],.],.]],.]],.],.]
[[[.,[[[.,.],[.,[.,.]]],.]],.],.] => [[[],[[[]]],[]],[],[]] => [[[.,[[[.,.],[.,[.,.]]],.]],.],.]
[[[.,[[[.,.],[[.,.],.]],.]],.],.] => [[[],[[],[]],[]],[],[]] => [[[.,[[[.,.],[[.,.],.]],.]],.],.]
[[[.,[[[.,[.,.]],[.,.]],.]],.],.] => [[[[]],[[]],[]],[],[]] => [[[.,[[[.,[.,.]],[.,.]],.]],.],.]
[[[.,[[[[.,.],.],[.,.]],.]],.],.] => [[[],[],[[]],[]],[],[]] => [[[.,[[[[.,.],.],[.,.]],.]],.],.]
[[[.,[[[.,[.,[.,.]]],.],.]],.],.] => [[[[[]]],[],[]],[],[]] => [[[.,[[[.,[.,[.,.]]],.],.]],.],.]
[[[.,[[[.,[[.,.],.]],.],.]],.],.] => [[[[],[]],[],[]],[],[]] => [[[.,[[[.,[[.,.],.]],.],.]],.],.]
[[[.,[[[[.,.],[.,.]],.],.]],.],.] => [[[],[[]],[],[]],[],[]] => [[[.,[[[[.,.],[.,.]],.],.]],.],.]
[[[.,[[[[.,[.,.]],.],.],.]],.],.] => [[[[]],[],[],[]],[],[]] => [[[.,[[[[.,[.,.]],.],.],.]],.],.]
[[[.,[[[[[.,.],.],.],.],.]],.],.] => [[[],[],[],[],[]],[],[]] => [[[.,[[[[[.,.],.],.],.],.]],.],.]
[[[[.,.],[.,[.,[.,[.,.]]]]],.],.] => [[],[[[[[]]]]],[],[]] => [[[[.,.],[.,[.,[.,[.,.]]]]],.],.]
[[[[.,.],[.,[.,[[.,.],.]]]],.],.] => [[],[[[[],[]]]],[],[]] => [[[[.,.],[.,[.,[[.,.],.]]]],.],.]
[[[[.,.],[.,[[.,.],[.,.]]]],.],.] => [[],[[[],[[]]]],[],[]] => [[[[.,.],[.,[[.,.],[.,.]]]],.],.]
[[[[.,.],[.,[[.,[.,.]],.]]],.],.] => [[],[[[[]],[]]],[],[]] => [[[[.,.],[.,[[.,[.,.]],.]]],.],.]
[[[[.,.],[.,[[[.,.],.],.]]],.],.] => [[],[[[],[],[]]],[],[]] => [[[[.,.],[.,[[[.,.],.],.]]],.],.]
[[[[.,.],[[.,.],[.,[.,.]]]],.],.] => [[],[[],[[[]]]],[],[]] => [[[[.,.],[[.,.],[.,[.,.]]]],.],.]
[[[[.,.],[[.,.],[[.,.],.]]],.],.] => [[],[[],[[],[]]],[],[]] => [[[[.,.],[[.,.],[[.,.],.]]],.],.]
[[[[.,.],[[.,[.,.]],[.,.]]],.],.] => [[],[[[]],[[]]],[],[]] => [[[[.,.],[[.,[.,.]],[.,.]]],.],.]
[[[[.,.],[[[.,.],.],[.,.]]],.],.] => [[],[[],[],[[]]],[],[]] => [[[[.,.],[[[.,.],.],[.,.]]],.],.]
[[[[.,.],[[.,[.,[.,.]]],.]],.],.] => [[],[[[[]]],[]],[],[]] => [[[[.,.],[[.,[.,[.,.]]],.]],.],.]
[[[[.,.],[[.,[[.,.],.]],.]],.],.] => [[],[[[],[]],[]],[],[]] => [[[[.,.],[[.,[[.,.],.]],.]],.],.]
[[[[.,.],[[[.,.],[.,.]],.]],.],.] => [[],[[],[[]],[]],[],[]] => [[[[.,.],[[[.,.],[.,.]],.]],.],.]
[[[[.,.],[[[.,[.,.]],.],.]],.],.] => [[],[[[]],[],[]],[],[]] => [[[[.,.],[[[.,[.,.]],.],.]],.],.]
[[[[.,.],[[[[.,.],.],.],.]],.],.] => [[],[[],[],[],[]],[],[]] => [[[[.,.],[[[[.,.],.],.],.]],.],.]
[[[[.,[.,.]],[.,[.,[.,.]]]],.],.] => [[[]],[[[[]]]],[],[]] => [[[[.,[.,.]],[.,[.,[.,.]]]],.],.]
[[[[.,[.,.]],[.,[[.,.],.]]],.],.] => [[[]],[[[],[]]],[],[]] => [[[[.,[.,.]],[.,[[.,.],.]]],.],.]
[[[[.,[.,.]],[[.,.],[.,.]]],.],.] => [[[]],[[],[[]]],[],[]] => [[[[.,[.,.]],[[.,.],[.,.]]],.],.]
[[[[.,[.,.]],[[.,[.,.]],.]],.],.] => [[[]],[[[]],[]],[],[]] => [[[[.,[.,.]],[[.,[.,.]],.]],.],.]
[[[[.,[.,.]],[[[.,.],.],.]],.],.] => [[[]],[[],[],[]],[],[]] => [[[[.,[.,.]],[[[.,.],.],.]],.],.]
[[[[[.,.],.],[.,[.,[.,.]]]],.],.] => [[],[],[[[[]]]],[],[]] => [[[[[.,.],.],[.,[.,[.,.]]]],.],.]
[[[[[.,.],.],[.,[[.,.],.]]],.],.] => [[],[],[[[],[]]],[],[]] => [[[[[.,.],.],[.,[[.,.],.]]],.],.]
[[[[[.,.],.],[[.,.],[.,.]]],.],.] => [[],[],[[],[[]]],[],[]] => [[[[[.,.],.],[[.,.],[.,.]]],.],.]
[[[[[.,.],.],[[.,[.,.]],.]],.],.] => [[],[],[[[]],[]],[],[]] => [[[[[.,.],.],[[.,[.,.]],.]],.],.]
[[[[[.,.],.],[[[.,.],.],.]],.],.] => [[],[],[[],[],[]],[],[]] => [[[[[.,.],.],[[[.,.],.],.]],.],.]
[[[[.,[.,[.,.]]],[.,[.,.]]],.],.] => [[[[]]],[[[]]],[],[]] => [[[[.,[.,[.,.]]],[.,[.,.]]],.],.]
[[[[.,[.,[.,.]]],[[.,.],.]],.],.] => [[[[]]],[[],[]],[],[]] => [[[[.,[.,[.,.]]],[[.,.],.]],.],.]
[[[[.,[[.,.],.]],[.,[.,.]]],.],.] => [[[],[]],[[[]]],[],[]] => [[[[.,[[.,.],.]],[.,[.,.]]],.],.]
[[[[.,[[.,.],.]],[[.,.],.]],.],.] => [[[],[]],[[],[]],[],[]] => [[[[.,[[.,.],.]],[[.,.],.]],.],.]
[[[[[.,.],[.,.]],[.,[.,.]]],.],.] => [[],[[]],[[[]]],[],[]] => [[[[[.,.],[.,.]],[.,[.,.]]],.],.]
[[[[[.,.],[.,.]],[[.,.],.]],.],.] => [[],[[]],[[],[]],[],[]] => [[[[[.,.],[.,.]],[[.,.],.]],.],.]
[[[[[.,[.,.]],.],[.,[.,.]]],.],.] => [[[]],[],[[[]]],[],[]] => [[[[[.,[.,.]],.],[.,[.,.]]],.],.]
[[[[[.,[.,.]],.],[[.,.],.]],.],.] => [[[]],[],[[],[]],[],[]] => [[[[[.,[.,.]],.],[[.,.],.]],.],.]
[[[[[[.,.],.],.],[.,[.,.]]],.],.] => [[],[],[],[[[]]],[],[]] => [[[[[[.,.],.],.],[.,[.,.]]],.],.]
[[[[[[.,.],.],.],[[.,.],.]],.],.] => [[],[],[],[[],[]],[],[]] => [[[[[[.,.],.],.],[[.,.],.]],.],.]
[[[[.,[.,[.,[.,.]]]],[.,.]],.],.] => [[[[[]]]],[[]],[],[]] => [[[[.,[.,[.,[.,.]]]],[.,.]],.],.]
[[[[.,[.,[[.,.],.]]],[.,.]],.],.] => [[[[],[]]],[[]],[],[]] => [[[[.,[.,[[.,.],.]]],[.,.]],.],.]
[[[[.,[[.,.],[.,.]]],[.,.]],.],.] => [[[],[[]]],[[]],[],[]] => [[[[.,[[.,.],[.,.]]],[.,.]],.],.]
[[[[.,[[.,[.,.]],.]],[.,.]],.],.] => [[[[]],[]],[[]],[],[]] => [[[[.,[[.,[.,.]],.]],[.,.]],.],.]
[[[[.,[[[.,.],.],.]],[.,.]],.],.] => [[[],[],[]],[[]],[],[]] => [[[[.,[[[.,.],.],.]],[.,.]],.],.]
[[[[[.,.],[.,[.,.]]],[.,.]],.],.] => [[],[[[]]],[[]],[],[]] => [[[[[.,.],[.,[.,.]]],[.,.]],.],.]
[[[[[.,.],[[.,.],.]],[.,.]],.],.] => [[],[[],[]],[[]],[],[]] => [[[[[.,.],[[.,.],.]],[.,.]],.],.]
[[[[[.,[.,.]],[.,.]],[.,.]],.],.] => [[[]],[[]],[[]],[],[]] => [[[[[.,[.,.]],[.,.]],[.,.]],.],.]
[[[[[[.,.],.],[.,.]],[.,.]],.],.] => [[],[],[[]],[[]],[],[]] => [[[[[[.,.],.],[.,.]],[.,.]],.],.]
[[[[[.,[.,[.,.]]],.],[.,.]],.],.] => [[[[]]],[],[[]],[],[]] => [[[[[.,[.,[.,.]]],.],[.,.]],.],.]
[[[[[.,[[.,.],.]],.],[.,.]],.],.] => [[[],[]],[],[[]],[],[]] => [[[[[.,[[.,.],.]],.],[.,.]],.],.]
[[[[[[.,.],[.,.]],.],[.,.]],.],.] => [[],[[]],[],[[]],[],[]] => [[[[[[.,.],[.,.]],.],[.,.]],.],.]
[[[[[[.,[.,.]],.],.],[.,.]],.],.] => [[[]],[],[],[[]],[],[]] => [[[[[[.,[.,.]],.],.],[.,.]],.],.]
[[[[[[[.,.],.],.],.],[.,.]],.],.] => [[],[],[],[],[[]],[],[]] => [[[[[[[.,.],.],.],.],[.,.]],.],.]
[[[[.,[.,[.,[.,[.,.]]]]],.],.],.] => [[[[[[]]]]],[],[],[]] => [[[[.,[.,[.,[.,[.,.]]]]],.],.],.]
[[[[.,[.,[.,[[.,.],.]]]],.],.],.] => [[[[[],[]]]],[],[],[]] => [[[[.,[.,[.,[[.,.],.]]]],.],.],.]
[[[[.,[.,[[.,.],[.,.]]]],.],.],.] => [[[[],[[]]]],[],[],[]] => [[[[.,[.,[[.,.],[.,.]]]],.],.],.]
[[[[.,[.,[[.,[.,.]],.]]],.],.],.] => [[[[[]],[]]],[],[],[]] => [[[[.,[.,[[.,[.,.]],.]]],.],.],.]
[[[[.,[.,[[[.,.],.],.]]],.],.],.] => [[[[],[],[]]],[],[],[]] => [[[[.,[.,[[[.,.],.],.]]],.],.],.]
[[[[.,[[.,.],[.,[.,.]]]],.],.],.] => [[[],[[[]]]],[],[],[]] => [[[[.,[[.,.],[.,[.,.]]]],.],.],.]
[[[[.,[[.,.],[[.,.],.]]],.],.],.] => [[[],[[],[]]],[],[],[]] => [[[[.,[[.,.],[[.,.],.]]],.],.],.]
[[[[.,[[.,[.,.]],[.,.]]],.],.],.] => [[[[]],[[]]],[],[],[]] => [[[[.,[[.,[.,.]],[.,.]]],.],.],.]
[[[[.,[[[.,.],.],[.,.]]],.],.],.] => [[[],[],[[]]],[],[],[]] => [[[[.,[[[.,.],.],[.,.]]],.],.],.]
[[[[.,[[.,[.,[.,.]]],.]],.],.],.] => [[[[[]]],[]],[],[],[]] => [[[[.,[[.,[.,[.,.]]],.]],.],.],.]
[[[[.,[[.,[[.,.],.]],.]],.],.],.] => [[[[],[]],[]],[],[],[]] => [[[[.,[[.,[[.,.],.]],.]],.],.],.]
[[[[.,[[[.,.],[.,.]],.]],.],.],.] => [[[],[[]],[]],[],[],[]] => [[[[.,[[[.,.],[.,.]],.]],.],.],.]
[[[[.,[[[.,[.,.]],.],.]],.],.],.] => [[[[]],[],[]],[],[],[]] => [[[[.,[[[.,[.,.]],.],.]],.],.],.]
[[[[.,[[[[.,.],.],.],.]],.],.],.] => [[[],[],[],[]],[],[],[]] => [[[[.,[[[[.,.],.],.],.]],.],.],.]
[[[[[.,.],[.,[.,[.,.]]]],.],.],.] => [[],[[[[]]]],[],[],[]] => [[[[[.,.],[.,[.,[.,.]]]],.],.],.]
[[[[[.,.],[.,[[.,.],.]]],.],.],.] => [[],[[[],[]]],[],[],[]] => [[[[[.,.],[.,[[.,.],.]]],.],.],.]
[[[[[.,.],[[.,.],[.,.]]],.],.],.] => [[],[[],[[]]],[],[],[]] => [[[[[.,.],[[.,.],[.,.]]],.],.],.]
[[[[[.,.],[[.,[.,.]],.]],.],.],.] => [[],[[[]],[]],[],[],[]] => [[[[[.,.],[[.,[.,.]],.]],.],.],.]
[[[[[.,.],[[[.,.],.],.]],.],.],.] => [[],[[],[],[]],[],[],[]] => [[[[[.,.],[[[.,.],.],.]],.],.],.]
[[[[[.,[.,.]],[.,[.,.]]],.],.],.] => [[[]],[[[]]],[],[],[]] => [[[[[.,[.,.]],[.,[.,.]]],.],.],.]
[[[[[.,[.,.]],[[.,.],.]],.],.],.] => [[[]],[[],[]],[],[],[]] => [[[[[.,[.,.]],[[.,.],.]],.],.],.]
[[[[[[.,.],.],[.,[.,.]]],.],.],.] => [[],[],[[[]]],[],[],[]] => [[[[[[.,.],.],[.,[.,.]]],.],.],.]
[[[[[[.,.],.],[[.,.],.]],.],.],.] => [[],[],[[],[]],[],[],[]] => [[[[[[.,.],.],[[.,.],.]],.],.],.]
[[[[[.,[.,[.,.]]],[.,.]],.],.],.] => [[[[]]],[[]],[],[],[]] => [[[[[.,[.,[.,.]]],[.,.]],.],.],.]
[[[[[.,[[.,.],.]],[.,.]],.],.],.] => [[[],[]],[[]],[],[],[]] => [[[[[.,[[.,.],.]],[.,.]],.],.],.]
[[[[[[.,.],[.,.]],[.,.]],.],.],.] => [[],[[]],[[]],[],[],[]] => [[[[[[.,.],[.,.]],[.,.]],.],.],.]
[[[[[[.,[.,.]],.],[.,.]],.],.],.] => [[[]],[],[[]],[],[],[]] => [[[[[[.,[.,.]],.],[.,.]],.],.],.]
[[[[[[[.,.],.],.],[.,.]],.],.],.] => [[],[],[],[[]],[],[],[]] => [[[[[[[.,.],.],.],[.,.]],.],.],.]
[[[[[.,[.,[.,[.,.]]]],.],.],.],.] => [[[[[]]]],[],[],[],[]] => [[[[[.,[.,[.,[.,.]]]],.],.],.],.]
[[[[[.,[.,[[.,.],.]]],.],.],.],.] => [[[[],[]]],[],[],[],[]] => [[[[[.,[.,[[.,.],.]]],.],.],.],.]
[[[[[.,[[.,.],[.,.]]],.],.],.],.] => [[[],[[]]],[],[],[],[]] => [[[[[.,[[.,.],[.,.]]],.],.],.],.]
[[[[[.,[[.,[.,.]],.]],.],.],.],.] => [[[[]],[]],[],[],[],[]] => [[[[[.,[[.,[.,.]],.]],.],.],.],.]
[[[[[.,[[[.,.],.],.]],.],.],.],.] => [[[],[],[]],[],[],[],[]] => [[[[[.,[[[.,.],.],.]],.],.],.],.]
[[[[[[.,.],[.,[.,.]]],.],.],.],.] => [[],[[[]]],[],[],[],[]] => [[[[[[.,.],[.,[.,.]]],.],.],.],.]
[[[[[[.,.],[[.,.],.]],.],.],.],.] => [[],[[],[]],[],[],[],[]] => [[[[[[.,.],[[.,.],.]],.],.],.],.]
[[[[[[.,[.,.]],[.,.]],.],.],.],.] => [[[]],[[]],[],[],[],[]] => [[[[[[.,[.,.]],[.,.]],.],.],.],.]
[[[[[[[.,.],.],[.,.]],.],.],.],.] => [[],[],[[]],[],[],[],[]] => [[[[[[[.,.],.],[.,.]],.],.],.],.]
[[[[[[.,[.,[.,.]]],.],.],.],.],.] => [[[[]]],[],[],[],[],[]] => [[[[[[.,[.,[.,.]]],.],.],.],.],.]
[[[[[[.,[[.,.],.]],.],.],.],.],.] => [[[],[]],[],[],[],[],[]] => [[[[[[.,[[.,.],.]],.],.],.],.],.]
[[[[[[[.,.],[.,.]],.],.],.],.],.] => [[],[[]],[],[],[],[],[]] => [[[[[[[.,.],[.,.]],.],.],.],.],.]
[[[[[[[.,[.,.]],.],.],.],.],.],.] => [[[]],[],[],[],[],[],[]] => [[[[[[[.,[.,.]],.],.],.],.],.],.]
[[[[[[[[.,.],.],.],.],.],.],.],.] => [[],[],[],[],[],[],[],[]] => [[[[[[[[.,.],.],.],.],.],.],.],.]
Map
to ordered tree: left child = left brother
Description
Return an ordered tree of size $n+1$ by the following recursive rule:
  • if $x$ is the left child of $y$, $x$ becomes the left brother of $y$,
  • if $x$ is the right child of $y$, $x$ becomes the last child of $y$.
Map
to binary tree: left brother = left child
Description
Return a binary tree of size $n-1$ (where $n$ is the size of $t$, and where $t$ is an ordered tree) by the following recursive rule:
- if $x$ is the left brother of $y$ in $t$, then $x$ becomes the left child of $y$;
- if $x$ is the last child of $y$ in $t$, then $x$ becomes the right child of $y$,
and removing the root of $t$.