edit this statistic or download as text // json
Identifier
Values
[1] => 0
[1,2] => 0
[2,1] => 0
[1,2,3] => 0
[1,3,2] => 0
[2,1,3] => 1
[2,3,1] => 0
[3,1,2] => 0
[3,2,1] => 0
[1,2,3,4] => 0
[1,2,4,3] => 0
[1,3,2,4] => 1
[1,3,4,2] => 0
[1,4,2,3] => 0
[1,4,3,2] => 0
[2,1,3,4] => 1
[2,1,4,3] => 1
[2,3,1,4] => 2
[2,3,4,1] => 0
[2,4,1,3] => 1
[2,4,3,1] => 0
[3,1,2,4] => 1
[3,1,4,2] => 1
[3,2,1,4] => 2
[3,2,4,1] => 1
[3,4,1,2] => 0
[3,4,2,1] => 0
[4,1,2,3] => 0
[4,1,3,2] => 0
[4,2,1,3] => 1
[4,2,3,1] => 0
[4,3,1,2] => 0
[4,3,2,1] => 0
[1,2,3,4,5] => 0
[1,2,3,5,4] => 0
[1,2,4,3,5] => 1
[1,2,4,5,3] => 0
[1,2,5,3,4] => 0
[1,2,5,4,3] => 0
[1,3,2,4,5] => 1
[1,3,2,5,4] => 1
[1,3,4,2,5] => 2
[1,3,4,5,2] => 0
[1,3,5,2,4] => 1
[1,3,5,4,2] => 0
[1,4,2,3,5] => 1
[1,4,2,5,3] => 1
[1,4,3,2,5] => 2
[1,4,3,5,2] => 1
[1,4,5,2,3] => 0
[1,4,5,3,2] => 0
[1,5,2,3,4] => 0
[1,5,2,4,3] => 0
[1,5,3,2,4] => 1
[1,5,3,4,2] => 0
[1,5,4,2,3] => 0
[1,5,4,3,2] => 0
[2,1,3,4,5] => 1
[2,1,3,5,4] => 1
[2,1,4,3,5] => 2
[2,1,4,5,3] => 1
[2,1,5,3,4] => 1
[2,1,5,4,3] => 1
[2,3,1,4,5] => 2
[2,3,1,5,4] => 2
[2,3,4,1,5] => 3
[2,3,4,5,1] => 0
[2,3,5,1,4] => 2
[2,3,5,4,1] => 0
[2,4,1,3,5] => 2
[2,4,1,5,3] => 2
[2,4,3,1,5] => 3
[2,4,3,5,1] => 1
[2,4,5,1,3] => 1
[2,4,5,3,1] => 0
[2,5,1,3,4] => 1
[2,5,1,4,3] => 1
[2,5,3,1,4] => 2
[2,5,3,4,1] => 0
[2,5,4,1,3] => 1
[2,5,4,3,1] => 0
[3,1,2,4,5] => 1
[3,1,2,5,4] => 1
[3,1,4,2,5] => 2
[3,1,4,5,2] => 1
[3,1,5,2,4] => 1
[3,1,5,4,2] => 1
[3,2,1,4,5] => 2
[3,2,1,5,4] => 2
[3,2,4,1,5] => 3
[3,2,4,5,1] => 1
[3,2,5,1,4] => 2
[3,2,5,4,1] => 1
[3,4,1,2,5] => 2
[3,4,1,5,2] => 2
[3,4,2,1,5] => 3
[3,4,2,5,1] => 2
[3,4,5,1,2] => 0
[3,4,5,2,1] => 0
[3,5,1,2,4] => 1
[3,5,1,4,2] => 1
>>> Load all 1200 entries. <<<
[3,5,2,1,4] => 2
[3,5,2,4,1] => 1
[3,5,4,1,2] => 0
[3,5,4,2,1] => 0
[4,1,2,3,5] => 1
[4,1,2,5,3] => 1
[4,1,3,2,5] => 2
[4,1,3,5,2] => 1
[4,1,5,2,3] => 1
[4,1,5,3,2] => 1
[4,2,1,3,5] => 2
[4,2,1,5,3] => 2
[4,2,3,1,5] => 3
[4,2,3,5,1] => 1
[4,2,5,1,3] => 2
[4,2,5,3,1] => 1
[4,3,1,2,5] => 2
[4,3,1,5,2] => 2
[4,3,2,1,5] => 3
[4,3,2,5,1] => 2
[4,3,5,1,2] => 1
[4,3,5,2,1] => 1
[4,5,1,2,3] => 0
[4,5,1,3,2] => 0
[4,5,2,1,3] => 1
[4,5,2,3,1] => 0
[4,5,3,1,2] => 0
[4,5,3,2,1] => 0
[5,1,2,3,4] => 0
[5,1,2,4,3] => 0
[5,1,3,2,4] => 1
[5,1,3,4,2] => 0
[5,1,4,2,3] => 0
[5,1,4,3,2] => 0
[5,2,1,3,4] => 1
[5,2,1,4,3] => 1
[5,2,3,1,4] => 2
[5,2,3,4,1] => 0
[5,2,4,1,3] => 1
[5,2,4,3,1] => 0
[5,3,1,2,4] => 1
[5,3,1,4,2] => 1
[5,3,2,1,4] => 2
[5,3,2,4,1] => 1
[5,3,4,1,2] => 0
[5,3,4,2,1] => 0
[5,4,1,2,3] => 0
[5,4,1,3,2] => 0
[5,4,2,1,3] => 1
[5,4,2,3,1] => 0
[5,4,3,1,2] => 0
[5,4,3,2,1] => 0
[1,2,3,4,5,6] => 0
[1,2,3,4,6,5] => 0
[1,2,3,5,4,6] => 1
[1,2,3,5,6,4] => 0
[1,2,3,6,4,5] => 0
[1,2,3,6,5,4] => 0
[1,2,4,3,5,6] => 1
[1,2,4,3,6,5] => 1
[1,2,4,5,3,6] => 2
[1,2,4,5,6,3] => 0
[1,2,4,6,3,5] => 1
[1,2,4,6,5,3] => 0
[1,2,5,3,4,6] => 1
[1,2,5,3,6,4] => 1
[1,2,5,4,3,6] => 2
[1,2,5,4,6,3] => 1
[1,2,5,6,3,4] => 0
[1,2,5,6,4,3] => 0
[1,2,6,3,4,5] => 0
[1,2,6,3,5,4] => 0
[1,2,6,4,3,5] => 1
[1,2,6,4,5,3] => 0
[1,2,6,5,3,4] => 0
[1,2,6,5,4,3] => 0
[1,3,2,4,5,6] => 1
[1,3,2,4,6,5] => 1
[1,3,2,5,4,6] => 2
[1,3,2,5,6,4] => 1
[1,3,2,6,4,5] => 1
[1,3,2,6,5,4] => 1
[1,3,4,2,5,6] => 2
[1,3,4,2,6,5] => 2
[1,3,4,5,2,6] => 3
[1,3,4,5,6,2] => 0
[1,3,4,6,2,5] => 2
[1,3,4,6,5,2] => 0
[1,3,5,2,4,6] => 2
[1,3,5,2,6,4] => 2
[1,3,5,4,2,6] => 3
[1,3,5,4,6,2] => 1
[1,3,5,6,2,4] => 1
[1,3,5,6,4,2] => 0
[1,3,6,2,4,5] => 1
[1,3,6,2,5,4] => 1
[1,3,6,4,2,5] => 2
[1,3,6,4,5,2] => 0
[1,3,6,5,2,4] => 1
[1,3,6,5,4,2] => 0
[1,4,2,3,5,6] => 1
[1,4,2,3,6,5] => 1
[1,4,2,5,3,6] => 2
[1,4,2,5,6,3] => 1
[1,4,2,6,3,5] => 1
[1,4,2,6,5,3] => 1
[1,4,3,2,5,6] => 2
[1,4,3,2,6,5] => 2
[1,4,3,5,2,6] => 3
[1,4,3,5,6,2] => 1
[1,4,3,6,2,5] => 2
[1,4,3,6,5,2] => 1
[1,4,5,2,3,6] => 2
[1,4,5,2,6,3] => 2
[1,4,5,3,2,6] => 3
[1,4,5,3,6,2] => 2
[1,4,5,6,2,3] => 0
[1,4,5,6,3,2] => 0
[1,4,6,2,3,5] => 1
[1,4,6,2,5,3] => 1
[1,4,6,3,2,5] => 2
[1,4,6,3,5,2] => 1
[1,4,6,5,2,3] => 0
[1,4,6,5,3,2] => 0
[1,5,2,3,4,6] => 1
[1,5,2,3,6,4] => 1
[1,5,2,4,3,6] => 2
[1,5,2,4,6,3] => 1
[1,5,2,6,3,4] => 1
[1,5,2,6,4,3] => 1
[1,5,3,2,4,6] => 2
[1,5,3,2,6,4] => 2
[1,5,3,4,2,6] => 3
[1,5,3,4,6,2] => 1
[1,5,3,6,2,4] => 2
[1,5,3,6,4,2] => 1
[1,5,4,2,3,6] => 2
[1,5,4,2,6,3] => 2
[1,5,4,3,2,6] => 3
[1,5,4,3,6,2] => 2
[1,5,4,6,2,3] => 1
[1,5,4,6,3,2] => 1
[1,5,6,2,3,4] => 0
[1,5,6,2,4,3] => 0
[1,5,6,3,2,4] => 1
[1,5,6,3,4,2] => 0
[1,5,6,4,2,3] => 0
[1,5,6,4,3,2] => 0
[1,6,2,3,4,5] => 0
[1,6,2,3,5,4] => 0
[1,6,2,4,3,5] => 1
[1,6,2,4,5,3] => 0
[1,6,2,5,3,4] => 0
[1,6,2,5,4,3] => 0
[1,6,3,2,4,5] => 1
[1,6,3,2,5,4] => 1
[1,6,3,4,2,5] => 2
[1,6,3,4,5,2] => 0
[1,6,3,5,2,4] => 1
[1,6,3,5,4,2] => 0
[1,6,4,2,3,5] => 1
[1,6,4,2,5,3] => 1
[1,6,4,3,2,5] => 2
[1,6,4,3,5,2] => 1
[1,6,4,5,2,3] => 0
[1,6,4,5,3,2] => 0
[1,6,5,2,3,4] => 0
[1,6,5,2,4,3] => 0
[1,6,5,3,2,4] => 1
[1,6,5,3,4,2] => 0
[1,6,5,4,2,3] => 0
[1,6,5,4,3,2] => 0
[2,1,3,4,5,6] => 1
[2,1,3,4,6,5] => 1
[2,1,3,5,4,6] => 2
[2,1,3,5,6,4] => 1
[2,1,3,6,4,5] => 1
[2,1,3,6,5,4] => 1
[2,1,4,3,5,6] => 2
[2,1,4,3,6,5] => 2
[2,1,4,5,3,6] => 3
[2,1,4,5,6,3] => 1
[2,1,4,6,3,5] => 2
[2,1,4,6,5,3] => 1
[2,1,5,3,4,6] => 2
[2,1,5,3,6,4] => 2
[2,1,5,4,3,6] => 3
[2,1,5,4,6,3] => 2
[2,1,5,6,3,4] => 1
[2,1,5,6,4,3] => 1
[2,1,6,3,4,5] => 1
[2,1,6,3,5,4] => 1
[2,1,6,4,3,5] => 2
[2,1,6,4,5,3] => 1
[2,1,6,5,3,4] => 1
[2,1,6,5,4,3] => 1
[2,3,1,4,5,6] => 2
[2,3,1,4,6,5] => 2
[2,3,1,5,4,6] => 3
[2,3,1,5,6,4] => 2
[2,3,1,6,4,5] => 2
[2,3,1,6,5,4] => 2
[2,3,4,1,5,6] => 3
[2,3,4,1,6,5] => 3
[2,3,4,5,1,6] => 4
[2,3,4,5,6,1] => 0
[2,3,4,6,1,5] => 3
[2,3,4,6,5,1] => 0
[2,3,5,1,4,6] => 3
[2,3,5,1,6,4] => 3
[2,3,5,4,1,6] => 4
[2,3,5,4,6,1] => 1
[2,3,5,6,1,4] => 2
[2,3,5,6,4,1] => 0
[2,3,6,1,4,5] => 2
[2,3,6,1,5,4] => 2
[2,3,6,4,1,5] => 3
[2,3,6,4,5,1] => 0
[2,3,6,5,1,4] => 2
[2,3,6,5,4,1] => 0
[2,4,1,3,5,6] => 2
[2,4,1,3,6,5] => 2
[2,4,1,5,3,6] => 3
[2,4,1,5,6,3] => 2
[2,4,1,6,3,5] => 2
[2,4,1,6,5,3] => 2
[2,4,3,1,5,6] => 3
[2,4,3,1,6,5] => 3
[2,4,3,5,1,6] => 4
[2,4,3,5,6,1] => 1
[2,4,3,6,1,5] => 3
[2,4,3,6,5,1] => 1
[2,4,5,1,3,6] => 3
[2,4,5,1,6,3] => 3
[2,4,5,3,1,6] => 4
[2,4,5,3,6,1] => 2
[2,4,5,6,1,3] => 1
[2,4,5,6,3,1] => 0
[2,4,6,1,3,5] => 2
[2,4,6,1,5,3] => 2
[2,4,6,3,1,5] => 3
[2,4,6,3,5,1] => 1
[2,4,6,5,1,3] => 1
[2,4,6,5,3,1] => 0
[2,5,1,3,4,6] => 2
[2,5,1,3,6,4] => 2
[2,5,1,4,3,6] => 3
[2,5,1,4,6,3] => 2
[2,5,1,6,3,4] => 2
[2,5,1,6,4,3] => 2
[2,5,3,1,4,6] => 3
[2,5,3,1,6,4] => 3
[2,5,3,4,1,6] => 4
[2,5,3,4,6,1] => 1
[2,5,3,6,1,4] => 3
[2,5,3,6,4,1] => 1
[2,5,4,1,3,6] => 3
[2,5,4,1,6,3] => 3
[2,5,4,3,1,6] => 4
[2,5,4,3,6,1] => 2
[2,5,4,6,1,3] => 2
[2,5,4,6,3,1] => 1
[2,5,6,1,3,4] => 1
[2,5,6,1,4,3] => 1
[2,5,6,3,1,4] => 2
[2,5,6,3,4,1] => 0
[2,5,6,4,1,3] => 1
[2,5,6,4,3,1] => 0
[2,6,1,3,4,5] => 1
[2,6,1,3,5,4] => 1
[2,6,1,4,3,5] => 2
[2,6,1,4,5,3] => 1
[2,6,1,5,3,4] => 1
[2,6,1,5,4,3] => 1
[2,6,3,1,4,5] => 2
[2,6,3,1,5,4] => 2
[2,6,3,4,1,5] => 3
[2,6,3,4,5,1] => 0
[2,6,3,5,1,4] => 2
[2,6,3,5,4,1] => 0
[2,6,4,1,3,5] => 2
[2,6,4,1,5,3] => 2
[2,6,4,3,1,5] => 3
[2,6,4,3,5,1] => 1
[2,6,4,5,1,3] => 1
[2,6,4,5,3,1] => 0
[2,6,5,1,3,4] => 1
[2,6,5,1,4,3] => 1
[2,6,5,3,1,4] => 2
[2,6,5,3,4,1] => 0
[2,6,5,4,1,3] => 1
[2,6,5,4,3,1] => 0
[3,1,2,4,5,6] => 1
[3,1,2,4,6,5] => 1
[3,1,2,5,4,6] => 2
[3,1,2,5,6,4] => 1
[3,1,2,6,4,5] => 1
[3,1,2,6,5,4] => 1
[3,1,4,2,5,6] => 2
[3,1,4,2,6,5] => 2
[3,1,4,5,2,6] => 3
[3,1,4,5,6,2] => 1
[3,1,4,6,2,5] => 2
[3,1,4,6,5,2] => 1
[3,1,5,2,4,6] => 2
[3,1,5,2,6,4] => 2
[3,1,5,4,2,6] => 3
[3,1,5,4,6,2] => 2
[3,1,5,6,2,4] => 1
[3,1,5,6,4,2] => 1
[3,1,6,2,4,5] => 1
[3,1,6,2,5,4] => 1
[3,1,6,4,2,5] => 2
[3,1,6,4,5,2] => 1
[3,1,6,5,2,4] => 1
[3,1,6,5,4,2] => 1
[3,2,1,4,5,6] => 2
[3,2,1,4,6,5] => 2
[3,2,1,5,4,6] => 3
[3,2,1,5,6,4] => 2
[3,2,1,6,4,5] => 2
[3,2,1,6,5,4] => 2
[3,2,4,1,5,6] => 3
[3,2,4,1,6,5] => 3
[3,2,4,5,1,6] => 4
[3,2,4,5,6,1] => 1
[3,2,4,6,1,5] => 3
[3,2,4,6,5,1] => 1
[3,2,5,1,4,6] => 3
[3,2,5,1,6,4] => 3
[3,2,5,4,1,6] => 4
[3,2,5,4,6,1] => 2
[3,2,5,6,1,4] => 2
[3,2,5,6,4,1] => 1
[3,2,6,1,4,5] => 2
[3,2,6,1,5,4] => 2
[3,2,6,4,1,5] => 3
[3,2,6,4,5,1] => 1
[3,2,6,5,1,4] => 2
[3,2,6,5,4,1] => 1
[3,4,1,2,5,6] => 2
[3,4,1,2,6,5] => 2
[3,4,1,5,2,6] => 3
[3,4,1,5,6,2] => 2
[3,4,1,6,2,5] => 2
[3,4,1,6,5,2] => 2
[3,4,2,1,5,6] => 3
[3,4,2,1,6,5] => 3
[3,4,2,5,1,6] => 4
[3,4,2,5,6,1] => 2
[3,4,2,6,1,5] => 3
[3,4,2,6,5,1] => 2
[3,4,5,1,2,6] => 3
[3,4,5,1,6,2] => 3
[3,4,5,2,1,6] => 4
[3,4,5,2,6,1] => 3
[3,4,5,6,1,2] => 0
[3,4,5,6,2,1] => 0
[3,4,6,1,2,5] => 2
[3,4,6,1,5,2] => 2
[3,4,6,2,1,5] => 3
[3,4,6,2,5,1] => 2
[3,4,6,5,1,2] => 0
[3,4,6,5,2,1] => 0
[3,5,1,2,4,6] => 2
[3,5,1,2,6,4] => 2
[3,5,1,4,2,6] => 3
[3,5,1,4,6,2] => 2
[3,5,1,6,2,4] => 2
[3,5,1,6,4,2] => 2
[3,5,2,1,4,6] => 3
[3,5,2,1,6,4] => 3
[3,5,2,4,1,6] => 4
[3,5,2,4,6,1] => 2
[3,5,2,6,1,4] => 3
[3,5,2,6,4,1] => 2
[3,5,4,1,2,6] => 3
[3,5,4,1,6,2] => 3
[3,5,4,2,1,6] => 4
[3,5,4,2,6,1] => 3
[3,5,4,6,1,2] => 1
[3,5,4,6,2,1] => 1
[3,5,6,1,2,4] => 1
[3,5,6,1,4,2] => 1
[3,5,6,2,1,4] => 2
[3,5,6,2,4,1] => 1
[3,5,6,4,1,2] => 0
[3,5,6,4,2,1] => 0
[3,6,1,2,4,5] => 1
[3,6,1,2,5,4] => 1
[3,6,1,4,2,5] => 2
[3,6,1,4,5,2] => 1
[3,6,1,5,2,4] => 1
[3,6,1,5,4,2] => 1
[3,6,2,1,4,5] => 2
[3,6,2,1,5,4] => 2
[3,6,2,4,1,5] => 3
[3,6,2,4,5,1] => 1
[3,6,2,5,1,4] => 2
[3,6,2,5,4,1] => 1
[3,6,4,1,2,5] => 2
[3,6,4,1,5,2] => 2
[3,6,4,2,1,5] => 3
[3,6,4,2,5,1] => 2
[3,6,4,5,1,2] => 0
[3,6,4,5,2,1] => 0
[3,6,5,1,2,4] => 1
[3,6,5,1,4,2] => 1
[3,6,5,2,1,4] => 2
[3,6,5,2,4,1] => 1
[3,6,5,4,1,2] => 0
[3,6,5,4,2,1] => 0
[4,1,2,3,5,6] => 1
[4,1,2,3,6,5] => 1
[4,1,2,5,3,6] => 2
[4,1,2,5,6,3] => 1
[4,1,2,6,3,5] => 1
[4,1,2,6,5,3] => 1
[4,1,3,2,5,6] => 2
[4,1,3,2,6,5] => 2
[4,1,3,5,2,6] => 3
[4,1,3,5,6,2] => 1
[4,1,3,6,2,5] => 2
[4,1,3,6,5,2] => 1
[4,1,5,2,3,6] => 2
[4,1,5,2,6,3] => 2
[4,1,5,3,2,6] => 3
[4,1,5,3,6,2] => 2
[4,1,5,6,2,3] => 1
[4,1,5,6,3,2] => 1
[4,1,6,2,3,5] => 1
[4,1,6,2,5,3] => 1
[4,1,6,3,2,5] => 2
[4,1,6,3,5,2] => 1
[4,1,6,5,2,3] => 1
[4,1,6,5,3,2] => 1
[4,2,1,3,5,6] => 2
[4,2,1,3,6,5] => 2
[4,2,1,5,3,6] => 3
[4,2,1,5,6,3] => 2
[4,2,1,6,3,5] => 2
[4,2,1,6,5,3] => 2
[4,2,3,1,5,6] => 3
[4,2,3,1,6,5] => 3
[4,2,3,5,1,6] => 4
[4,2,3,5,6,1] => 1
[4,2,3,6,1,5] => 3
[4,2,3,6,5,1] => 1
[4,2,5,1,3,6] => 3
[4,2,5,1,6,3] => 3
[4,2,5,3,1,6] => 4
[4,2,5,3,6,1] => 2
[4,2,5,6,1,3] => 2
[4,2,5,6,3,1] => 1
[4,2,6,1,3,5] => 2
[4,2,6,1,5,3] => 2
[4,2,6,3,1,5] => 3
[4,2,6,3,5,1] => 1
[4,2,6,5,1,3] => 2
[4,2,6,5,3,1] => 1
[4,3,1,2,5,6] => 2
[4,3,1,2,6,5] => 2
[4,3,1,5,2,6] => 3
[4,3,1,5,6,2] => 2
[4,3,1,6,2,5] => 2
[4,3,1,6,5,2] => 2
[4,3,2,1,5,6] => 3
[4,3,2,1,6,5] => 3
[4,3,2,5,1,6] => 4
[4,3,2,5,6,1] => 2
[4,3,2,6,1,5] => 3
[4,3,2,6,5,1] => 2
[4,3,5,1,2,6] => 3
[4,3,5,1,6,2] => 3
[4,3,5,2,1,6] => 4
[4,3,5,2,6,1] => 3
[4,3,5,6,1,2] => 1
[4,3,5,6,2,1] => 1
[4,3,6,1,2,5] => 2
[4,3,6,1,5,2] => 2
[4,3,6,2,1,5] => 3
[4,3,6,2,5,1] => 2
[4,3,6,5,1,2] => 1
[4,3,6,5,2,1] => 1
[4,5,1,2,3,6] => 2
[4,5,1,2,6,3] => 2
[4,5,1,3,2,6] => 3
[4,5,1,3,6,2] => 2
[4,5,1,6,2,3] => 2
[4,5,1,6,3,2] => 2
[4,5,2,1,3,6] => 3
[4,5,2,1,6,3] => 3
[4,5,2,3,1,6] => 4
[4,5,2,3,6,1] => 2
[4,5,2,6,1,3] => 3
[4,5,2,6,3,1] => 2
[4,5,3,1,2,6] => 3
[4,5,3,1,6,2] => 3
[4,5,3,2,1,6] => 4
[4,5,3,2,6,1] => 3
[4,5,3,6,1,2] => 2
[4,5,3,6,2,1] => 2
[4,5,6,1,2,3] => 0
[4,5,6,1,3,2] => 0
[4,5,6,2,1,3] => 1
[4,5,6,2,3,1] => 0
[4,5,6,3,1,2] => 0
[4,5,6,3,2,1] => 0
[4,6,1,2,3,5] => 1
[4,6,1,2,5,3] => 1
[4,6,1,3,2,5] => 2
[4,6,1,3,5,2] => 1
[4,6,1,5,2,3] => 1
[4,6,1,5,3,2] => 1
[4,6,2,1,3,5] => 2
[4,6,2,1,5,3] => 2
[4,6,2,3,1,5] => 3
[4,6,2,3,5,1] => 1
[4,6,2,5,1,3] => 2
[4,6,2,5,3,1] => 1
[4,6,3,1,2,5] => 2
[4,6,3,1,5,2] => 2
[4,6,3,2,1,5] => 3
[4,6,3,2,5,1] => 2
[4,6,3,5,1,2] => 1
[4,6,3,5,2,1] => 1
[4,6,5,1,2,3] => 0
[4,6,5,1,3,2] => 0
[4,6,5,2,1,3] => 1
[4,6,5,2,3,1] => 0
[4,6,5,3,1,2] => 0
[4,6,5,3,2,1] => 0
[5,1,2,3,4,6] => 1
[5,1,2,3,6,4] => 1
[5,1,2,4,3,6] => 2
[5,1,2,4,6,3] => 1
[5,1,2,6,3,4] => 1
[5,1,2,6,4,3] => 1
[5,1,3,2,4,6] => 2
[5,1,3,2,6,4] => 2
[5,1,3,4,2,6] => 3
[5,1,3,4,6,2] => 1
[5,1,3,6,2,4] => 2
[5,1,3,6,4,2] => 1
[5,1,4,2,3,6] => 2
[5,1,4,2,6,3] => 2
[5,1,4,3,2,6] => 3
[5,1,4,3,6,2] => 2
[5,1,4,6,2,3] => 1
[5,1,4,6,3,2] => 1
[5,1,6,2,3,4] => 1
[5,1,6,2,4,3] => 1
[5,1,6,3,2,4] => 2
[5,1,6,3,4,2] => 1
[5,1,6,4,2,3] => 1
[5,1,6,4,3,2] => 1
[5,2,1,3,4,6] => 2
[5,2,1,3,6,4] => 2
[5,2,1,4,3,6] => 3
[5,2,1,4,6,3] => 2
[5,2,1,6,3,4] => 2
[5,2,1,6,4,3] => 2
[5,2,3,1,4,6] => 3
[5,2,3,1,6,4] => 3
[5,2,3,4,1,6] => 4
[5,2,3,4,6,1] => 1
[5,2,3,6,1,4] => 3
[5,2,3,6,4,1] => 1
[5,2,4,1,3,6] => 3
[5,2,4,1,6,3] => 3
[5,2,4,3,1,6] => 4
[5,2,4,3,6,1] => 2
[5,2,4,6,1,3] => 2
[5,2,4,6,3,1] => 1
[5,2,6,1,3,4] => 2
[5,2,6,1,4,3] => 2
[5,2,6,3,1,4] => 3
[5,2,6,3,4,1] => 1
[5,2,6,4,1,3] => 2
[5,2,6,4,3,1] => 1
[5,3,1,2,4,6] => 2
[5,3,1,2,6,4] => 2
[5,3,1,4,2,6] => 3
[5,3,1,4,6,2] => 2
[5,3,1,6,2,4] => 2
[5,3,1,6,4,2] => 2
[5,3,2,1,4,6] => 3
[5,3,2,1,6,4] => 3
[5,3,2,4,1,6] => 4
[5,3,2,4,6,1] => 2
[5,3,2,6,1,4] => 3
[5,3,2,6,4,1] => 2
[5,3,4,1,2,6] => 3
[5,3,4,1,6,2] => 3
[5,3,4,2,1,6] => 4
[5,3,4,2,6,1] => 3
[5,3,4,6,1,2] => 1
[5,3,4,6,2,1] => 1
[5,3,6,1,2,4] => 2
[5,3,6,1,4,2] => 2
[5,3,6,2,1,4] => 3
[5,3,6,2,4,1] => 2
[5,3,6,4,1,2] => 1
[5,3,6,4,2,1] => 1
[5,4,1,2,3,6] => 2
[5,4,1,2,6,3] => 2
[5,4,1,3,2,6] => 3
[5,4,1,3,6,2] => 2
[5,4,1,6,2,3] => 2
[5,4,1,6,3,2] => 2
[5,4,2,1,3,6] => 3
[5,4,2,1,6,3] => 3
[5,4,2,3,1,6] => 4
[5,4,2,3,6,1] => 2
[5,4,2,6,1,3] => 3
[5,4,2,6,3,1] => 2
[5,4,3,1,2,6] => 3
[5,4,3,1,6,2] => 3
[5,4,3,2,1,6] => 4
[5,4,3,2,6,1] => 3
[5,4,3,6,1,2] => 2
[5,4,3,6,2,1] => 2
[5,4,6,1,2,3] => 1
[5,4,6,1,3,2] => 1
[5,4,6,2,1,3] => 2
[5,4,6,2,3,1] => 1
[5,4,6,3,1,2] => 1
[5,4,6,3,2,1] => 1
[5,6,1,2,3,4] => 0
[5,6,1,2,4,3] => 0
[5,6,1,3,2,4] => 1
[5,6,1,3,4,2] => 0
[5,6,1,4,2,3] => 0
[5,6,1,4,3,2] => 0
[5,6,2,1,3,4] => 1
[5,6,2,1,4,3] => 1
[5,6,2,3,1,4] => 2
[5,6,2,3,4,1] => 0
[5,6,2,4,1,3] => 1
[5,6,2,4,3,1] => 0
[5,6,3,1,2,4] => 1
[5,6,3,1,4,2] => 1
[5,6,3,2,1,4] => 2
[5,6,3,2,4,1] => 1
[5,6,3,4,1,2] => 0
[5,6,3,4,2,1] => 0
[5,6,4,1,2,3] => 0
[5,6,4,1,3,2] => 0
[5,6,4,2,1,3] => 1
[5,6,4,2,3,1] => 0
[5,6,4,3,1,2] => 0
[5,6,4,3,2,1] => 0
[6,1,2,3,4,5] => 0
[6,1,2,3,5,4] => 0
[6,1,2,4,3,5] => 1
[6,1,2,4,5,3] => 0
[6,1,2,5,3,4] => 0
[6,1,2,5,4,3] => 0
[6,1,3,2,4,5] => 1
[6,1,3,2,5,4] => 1
[6,1,3,4,2,5] => 2
[6,1,3,4,5,2] => 0
[6,1,3,5,2,4] => 1
[6,1,3,5,4,2] => 0
[6,1,4,2,3,5] => 1
[6,1,4,2,5,3] => 1
[6,1,4,3,2,5] => 2
[6,1,4,3,5,2] => 1
[6,1,4,5,2,3] => 0
[6,1,4,5,3,2] => 0
[6,1,5,2,3,4] => 0
[6,1,5,2,4,3] => 0
[6,1,5,3,2,4] => 1
[6,1,5,3,4,2] => 0
[6,1,5,4,2,3] => 0
[6,1,5,4,3,2] => 0
[6,2,1,3,4,5] => 1
[6,2,1,3,5,4] => 1
[6,2,1,4,3,5] => 2
[6,2,1,4,5,3] => 1
[6,2,1,5,3,4] => 1
[6,2,1,5,4,3] => 1
[6,2,3,1,4,5] => 2
[6,2,3,1,5,4] => 2
[6,2,3,4,1,5] => 3
[6,2,3,4,5,1] => 0
[6,2,3,5,1,4] => 2
[6,2,3,5,4,1] => 0
[6,2,4,1,3,5] => 2
[6,2,4,1,5,3] => 2
[6,2,4,3,1,5] => 3
[6,2,4,3,5,1] => 1
[6,2,4,5,1,3] => 1
[6,2,4,5,3,1] => 0
[6,2,5,1,3,4] => 1
[6,2,5,1,4,3] => 1
[6,2,5,3,1,4] => 2
[6,2,5,3,4,1] => 0
[6,2,5,4,1,3] => 1
[6,2,5,4,3,1] => 0
[6,3,1,2,4,5] => 1
[6,3,1,2,5,4] => 1
[6,3,1,4,2,5] => 2
[6,3,1,4,5,2] => 1
[6,3,1,5,2,4] => 1
[6,3,1,5,4,2] => 1
[6,3,2,1,4,5] => 2
[6,3,2,1,5,4] => 2
[6,3,2,4,1,5] => 3
[6,3,2,4,5,1] => 1
[6,3,2,5,1,4] => 2
[6,3,2,5,4,1] => 1
[6,3,4,1,2,5] => 2
[6,3,4,1,5,2] => 2
[6,3,4,2,1,5] => 3
[6,3,4,2,5,1] => 2
[6,3,4,5,1,2] => 0
[6,3,4,5,2,1] => 0
[6,3,5,1,2,4] => 1
[6,3,5,1,4,2] => 1
[6,3,5,2,1,4] => 2
[6,3,5,2,4,1] => 1
[6,3,5,4,1,2] => 0
[6,3,5,4,2,1] => 0
[6,4,1,2,3,5] => 1
[6,4,1,2,5,3] => 1
[6,4,1,3,2,5] => 2
[6,4,1,3,5,2] => 1
[6,4,1,5,2,3] => 1
[6,4,1,5,3,2] => 1
[6,4,2,1,3,5] => 2
[6,4,2,1,5,3] => 2
[6,4,2,3,1,5] => 3
[6,4,2,3,5,1] => 1
[6,4,2,5,1,3] => 2
[6,4,2,5,3,1] => 1
[6,4,3,1,2,5] => 2
[6,4,3,1,5,2] => 2
[6,4,3,2,1,5] => 3
[6,4,3,2,5,1] => 2
[6,4,3,5,1,2] => 1
[6,4,3,5,2,1] => 1
[6,4,5,1,2,3] => 0
[6,4,5,1,3,2] => 0
[6,4,5,2,1,3] => 1
[6,4,5,2,3,1] => 0
[6,4,5,3,1,2] => 0
[6,4,5,3,2,1] => 0
[6,5,1,2,3,4] => 0
[6,5,1,2,4,3] => 0
[6,5,1,3,2,4] => 1
[6,5,1,3,4,2] => 0
[6,5,1,4,2,3] => 0
[6,5,1,4,3,2] => 0
[6,5,2,1,3,4] => 1
[6,5,2,1,4,3] => 1
[6,5,2,3,1,4] => 2
[6,5,2,3,4,1] => 0
[6,5,2,4,1,3] => 1
[6,5,2,4,3,1] => 0
[6,5,3,1,2,4] => 1
[6,5,3,1,4,2] => 1
[6,5,3,2,1,4] => 2
[6,5,3,2,4,1] => 1
[6,5,3,4,1,2] => 0
[6,5,3,4,2,1] => 0
[6,5,4,1,2,3] => 0
[6,5,4,1,3,2] => 0
[6,5,4,2,1,3] => 1
[6,5,4,2,3,1] => 0
[6,5,4,3,1,2] => 0
[6,5,4,3,2,1] => 0
[1,2,3,4,5,6,7] => 0
[1,2,3,4,5,7,6] => 0
[1,2,3,4,6,5,7] => 1
[1,2,3,4,6,7,5] => 0
[1,2,3,4,7,5,6] => 0
[1,2,3,4,7,6,5] => 0
[1,2,3,5,4,6,7] => 1
[1,2,3,5,4,7,6] => 1
[1,2,3,5,6,4,7] => 2
[1,2,3,5,6,7,4] => 0
[1,2,3,5,7,4,6] => 1
[1,2,3,5,7,6,4] => 0
[1,2,3,6,4,5,7] => 1
[1,2,3,6,4,7,5] => 1
[1,2,3,6,5,4,7] => 2
[1,2,3,6,5,7,4] => 1
[1,2,3,6,7,4,5] => 0
[1,2,3,6,7,5,4] => 0
[1,2,3,7,4,5,6] => 0
[1,2,3,7,4,6,5] => 0
[1,2,3,7,5,4,6] => 1
[1,2,3,7,5,6,4] => 0
[1,2,3,7,6,4,5] => 0
[1,2,3,7,6,5,4] => 0
[1,2,4,3,5,6,7] => 1
[1,2,4,3,5,7,6] => 1
[1,2,4,3,6,5,7] => 2
[1,2,4,3,6,7,5] => 1
[1,2,4,3,7,5,6] => 1
[1,2,4,3,7,6,5] => 1
[1,2,4,5,3,6,7] => 2
[1,2,4,5,3,7,6] => 2
[1,2,4,5,6,3,7] => 3
[1,2,4,5,6,7,3] => 0
[1,2,4,5,7,3,6] => 2
[1,2,4,5,7,6,3] => 0
[1,2,4,6,3,5,7] => 2
[1,2,4,6,3,7,5] => 2
[1,2,4,6,5,3,7] => 3
[1,2,4,6,5,7,3] => 1
[1,2,4,6,7,3,5] => 1
[1,2,4,6,7,5,3] => 0
[1,2,4,7,3,5,6] => 1
[1,2,4,7,3,6,5] => 1
[1,2,4,7,5,3,6] => 2
[1,2,4,7,5,6,3] => 0
[1,2,4,7,6,3,5] => 1
[1,2,4,7,6,5,3] => 0
[1,2,5,3,4,6,7] => 1
[1,2,5,3,4,7,6] => 1
[1,2,5,3,6,4,7] => 2
[1,2,5,3,6,7,4] => 1
[1,2,5,3,7,4,6] => 1
[1,2,5,3,7,6,4] => 1
[1,2,5,4,3,6,7] => 2
[1,2,5,4,3,7,6] => 2
[1,2,5,4,6,3,7] => 3
[1,2,5,4,6,7,3] => 1
[1,2,5,4,7,3,6] => 2
[1,2,5,4,7,6,3] => 1
[1,2,5,6,3,4,7] => 2
[1,2,5,6,3,7,4] => 2
[1,2,5,6,4,3,7] => 3
[1,2,5,6,4,7,3] => 2
[1,2,5,6,7,3,4] => 0
[1,2,5,6,7,4,3] => 0
[1,2,5,7,3,4,6] => 1
[1,2,5,7,3,6,4] => 1
[1,2,5,7,4,3,6] => 2
[1,2,5,7,4,6,3] => 1
[1,2,5,7,6,3,4] => 0
[1,2,5,7,6,4,3] => 0
[1,2,6,3,4,5,7] => 1
[1,2,6,3,4,7,5] => 1
[1,2,6,3,5,4,7] => 2
[1,2,6,3,5,7,4] => 1
[1,2,6,3,7,4,5] => 1
[1,2,6,3,7,5,4] => 1
[1,2,6,4,3,5,7] => 2
[1,2,6,4,3,7,5] => 2
[1,2,6,4,5,3,7] => 3
[1,2,6,4,5,7,3] => 1
[1,2,6,4,7,3,5] => 2
[1,2,6,4,7,5,3] => 1
[1,2,6,5,3,4,7] => 2
[1,2,6,5,3,7,4] => 2
[1,2,6,5,4,3,7] => 3
[1,2,6,5,4,7,3] => 2
[1,2,6,5,7,3,4] => 1
[1,2,6,5,7,4,3] => 1
[1,2,6,7,3,4,5] => 0
[1,2,6,7,3,5,4] => 0
[1,2,6,7,4,3,5] => 1
[1,2,6,7,4,5,3] => 0
[1,2,6,7,5,3,4] => 0
[1,2,6,7,5,4,3] => 0
[1,2,7,3,4,5,6] => 0
[1,2,7,3,4,6,5] => 0
[1,2,7,3,5,4,6] => 1
[1,2,7,3,5,6,4] => 0
[1,2,7,3,6,4,5] => 0
[1,2,7,3,6,5,4] => 0
[1,2,7,4,3,5,6] => 1
[1,2,7,4,3,6,5] => 1
[1,2,7,4,5,3,6] => 2
[1,2,7,4,5,6,3] => 0
[1,2,7,4,6,3,5] => 1
[1,2,7,4,6,5,3] => 0
[1,2,7,5,3,4,6] => 1
[1,2,7,5,3,6,4] => 1
[1,2,7,5,4,3,6] => 2
[1,2,7,5,4,6,3] => 1
[1,2,7,5,6,3,4] => 0
[1,2,7,5,6,4,3] => 0
[1,2,7,6,3,4,5] => 0
[1,2,7,6,3,5,4] => 0
[1,2,7,6,4,3,5] => 1
[1,2,7,6,4,5,3] => 0
[1,2,7,6,5,3,4] => 0
[1,2,7,6,5,4,3] => 0
[1,3,2,4,5,6,7] => 1
[1,3,2,4,5,7,6] => 1
[1,3,2,4,6,5,7] => 2
[1,3,2,4,6,7,5] => 1
[1,3,2,4,7,5,6] => 1
[1,3,2,4,7,6,5] => 1
[1,3,2,5,4,6,7] => 2
[1,3,2,5,4,7,6] => 2
[1,3,2,5,6,4,7] => 3
[1,3,2,5,6,7,4] => 1
[1,3,2,5,7,4,6] => 2
[1,3,2,5,7,6,4] => 1
[1,3,2,6,4,5,7] => 2
[1,3,2,6,4,7,5] => 2
[1,3,2,6,5,4,7] => 3
[1,3,2,6,5,7,4] => 2
[1,3,2,6,7,4,5] => 1
[1,3,2,6,7,5,4] => 1
[1,3,2,7,4,5,6] => 1
[1,3,2,7,4,6,5] => 1
[1,3,2,7,5,4,6] => 2
[1,3,2,7,5,6,4] => 1
[1,3,2,7,6,4,5] => 1
[1,3,2,7,6,5,4] => 1
[1,3,4,2,5,6,7] => 2
[1,3,4,2,5,7,6] => 2
[1,3,4,2,6,5,7] => 3
[1,3,4,2,6,7,5] => 2
[1,3,4,2,7,5,6] => 2
[1,3,4,2,7,6,5] => 2
[1,3,4,5,2,6,7] => 3
[1,3,4,5,2,7,6] => 3
[1,3,4,5,6,2,7] => 4
[1,3,4,5,6,7,2] => 0
[1,3,4,5,7,2,6] => 3
[1,3,4,5,7,6,2] => 0
[1,3,4,6,2,5,7] => 3
[1,3,4,6,2,7,5] => 3
[1,3,4,6,5,2,7] => 4
[1,3,4,6,5,7,2] => 1
[1,3,4,6,7,2,5] => 2
[1,3,4,6,7,5,2] => 0
[1,3,4,7,2,5,6] => 2
[1,3,4,7,2,6,5] => 2
[1,3,4,7,5,2,6] => 3
[1,3,4,7,5,6,2] => 0
[1,3,4,7,6,2,5] => 2
[1,3,4,7,6,5,2] => 0
[1,3,5,2,4,6,7] => 2
[1,3,5,2,4,7,6] => 2
[1,3,5,2,6,4,7] => 3
[1,3,5,2,6,7,4] => 2
[1,3,5,2,7,4,6] => 2
[1,3,5,2,7,6,4] => 2
[1,3,5,4,2,6,7] => 3
[1,3,5,4,2,7,6] => 3
[1,3,5,4,6,2,7] => 4
[1,3,5,4,6,7,2] => 1
[1,3,5,4,7,2,6] => 3
[1,3,5,4,7,6,2] => 1
[1,3,5,6,2,4,7] => 3
[1,3,5,6,2,7,4] => 3
[1,3,5,6,4,2,7] => 4
[1,3,5,6,4,7,2] => 2
[1,3,5,6,7,2,4] => 1
[1,3,5,6,7,4,2] => 0
[1,3,5,7,2,4,6] => 2
[1,3,5,7,2,6,4] => 2
[1,3,5,7,4,2,6] => 3
[1,3,5,7,4,6,2] => 1
[1,3,5,7,6,2,4] => 1
[1,3,5,7,6,4,2] => 0
[1,3,6,2,4,5,7] => 2
[1,3,6,2,4,7,5] => 2
[1,3,6,2,5,4,7] => 3
[1,3,6,2,5,7,4] => 2
[1,3,6,2,7,4,5] => 2
[1,3,6,2,7,5,4] => 2
[1,3,6,4,2,5,7] => 3
[1,3,6,4,2,7,5] => 3
[1,3,6,4,5,2,7] => 4
[1,3,6,4,5,7,2] => 1
[1,3,6,4,7,2,5] => 3
[1,3,6,4,7,5,2] => 1
[1,3,6,5,2,4,7] => 3
[1,3,6,5,2,7,4] => 3
[1,3,6,5,4,2,7] => 4
[1,3,6,5,4,7,2] => 2
[1,3,6,5,7,2,4] => 2
[1,3,6,5,7,4,2] => 1
[1,3,6,7,2,4,5] => 1
[1,3,6,7,2,5,4] => 1
[1,3,6,7,4,2,5] => 2
[1,3,6,7,4,5,2] => 0
[1,3,6,7,5,2,4] => 1
[1,3,6,7,5,4,2] => 0
[1,3,7,2,4,5,6] => 1
[1,3,7,2,4,6,5] => 1
[1,3,7,2,5,4,6] => 2
[1,3,7,2,5,6,4] => 1
[1,3,7,2,6,4,5] => 1
[1,3,7,2,6,5,4] => 1
[1,3,7,4,2,5,6] => 2
[1,3,7,4,2,6,5] => 2
[1,3,7,4,5,2,6] => 3
[1,3,7,4,5,6,2] => 0
[1,3,7,4,6,2,5] => 2
[1,3,7,4,6,5,2] => 0
[1,3,7,5,2,4,6] => 2
[1,3,7,5,2,6,4] => 2
[1,3,7,5,4,2,6] => 3
[1,3,7,5,4,6,2] => 1
[1,3,7,5,6,2,4] => 1
[1,3,7,5,6,4,2] => 0
[1,3,7,6,2,4,5] => 1
[1,3,7,6,2,5,4] => 1
[1,3,7,6,4,2,5] => 2
[1,3,7,6,4,5,2] => 0
[1,3,7,6,5,2,4] => 1
[1,3,7,6,5,4,2] => 0
[1,4,2,3,5,6,7] => 1
[1,4,2,3,5,7,6] => 1
[1,4,2,3,6,5,7] => 2
[1,4,2,3,6,7,5] => 1
[1,4,2,3,7,5,6] => 1
[1,4,2,3,7,6,5] => 1
[1,4,2,5,3,6,7] => 2
[1,4,2,5,3,7,6] => 2
[1,4,2,5,6,3,7] => 3
[1,4,2,5,6,7,3] => 1
[1,4,2,5,7,3,6] => 2
[1,4,2,5,7,6,3] => 1
[1,4,2,6,3,5,7] => 2
[1,4,2,6,3,7,5] => 2
[1,4,2,6,5,3,7] => 3
[1,4,2,6,5,7,3] => 2
[1,4,2,6,7,3,5] => 1
[1,4,2,6,7,5,3] => 1
[1,4,2,7,3,5,6] => 1
[1,4,2,7,3,6,5] => 1
[1,4,2,7,5,3,6] => 2
[1,4,2,7,5,6,3] => 1
[1,4,2,7,6,3,5] => 1
[1,4,2,7,6,5,3] => 1
[1,4,3,2,5,6,7] => 2
[1,4,3,2,5,7,6] => 2
[1,4,3,2,6,5,7] => 3
[1,4,3,2,6,7,5] => 2
[1,4,3,2,7,5,6] => 2
[1,4,3,2,7,6,5] => 2
[1,4,3,5,2,6,7] => 3
[1,4,3,5,2,7,6] => 3
[1,4,3,5,6,2,7] => 4
[1,4,3,5,6,7,2] => 1
[1,4,3,5,7,2,6] => 3
[1,4,3,5,7,6,2] => 1
[1,4,3,6,2,5,7] => 3
[1,4,3,6,2,7,5] => 3
[1,4,3,6,5,2,7] => 4
[1,4,3,6,5,7,2] => 2
[1,4,3,6,7,2,5] => 2
[1,4,3,6,7,5,2] => 1
[1,4,3,7,2,5,6] => 2
[1,4,3,7,2,6,5] => 2
[1,4,3,7,5,2,6] => 3
[1,4,3,7,5,6,2] => 1
[1,4,3,7,6,2,5] => 2
[1,4,3,7,6,5,2] => 1
[1,4,5,2,3,6,7] => 2
[1,4,5,2,3,7,6] => 2
[1,4,5,2,6,3,7] => 3
[1,4,5,2,6,7,3] => 2
[1,4,5,2,7,3,6] => 2
[1,4,5,2,7,6,3] => 2
[1,4,5,3,2,6,7] => 3
[1,4,5,3,2,7,6] => 3
[1,4,5,3,6,2,7] => 4
[1,4,5,3,6,7,2] => 2
[1,4,5,3,7,2,6] => 3
[1,4,5,3,7,6,2] => 2
[1,4,5,6,2,3,7] => 3
[1,4,5,6,2,7,3] => 3
[1,4,5,6,3,2,7] => 4
[1,4,5,6,3,7,2] => 3
[1,4,5,6,7,2,3] => 0
[1,4,5,6,7,3,2] => 0
[1,4,5,7,2,3,6] => 2
[1,4,5,7,2,6,3] => 2
[1,4,5,7,3,2,6] => 3
[1,4,5,7,3,6,2] => 2
[1,4,5,7,6,2,3] => 0
[1,4,5,7,6,3,2] => 0
[1,4,6,2,3,5,7] => 2
[1,4,6,2,3,7,5] => 2
[1,4,6,2,5,3,7] => 3
[1,4,6,2,5,7,3] => 2
[1,4,6,2,7,3,5] => 2
[1,4,6,2,7,5,3] => 2
[1,4,6,3,2,5,7] => 3
[1,4,6,3,2,7,5] => 3
[1,4,6,3,5,2,7] => 4
[1,4,6,3,5,7,2] => 2
[1,4,6,3,7,2,5] => 3
[1,4,6,3,7,5,2] => 2
[1,4,6,5,2,3,7] => 3
[1,4,6,5,2,7,3] => 3
[1,4,6,5,3,2,7] => 4
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Description
The number of distinct positions of the pattern letter 2 in occurrences of 213 in a permutation.
References
[1] Thamrongpairoj, S., Remmel, J. B. Positional Marked Patterns in Permutations arXiv:2102.03867
Code
def statistic(pi, tau=[2,1,3], mark=0):
    """
    The number of positions i such that tau occurs in pi and the mark
    is at position i.

    EXAMPLES::

        sage: pi = Permutation([2,6,4,8,1,5,7,3])
        sage: tau = Permutation([1,4,3,2])
        sage: statistic(pi, tau, 1)
        2

    Table before section 3.2::

        sage: q = QQ["q"].gen()
        sage: [sum(q^statistic(pi, [1,2,3], 0) for pi in Permutations(n)) for n in range(1,7)]
        [1,
         2,
         q + 5,
         2*q^2 + 8*q + 14,
         6*q^3 + 25*q^2 + 47*q + 42,
         24*q^4 + 104*q^3 + 216*q^2 + 244*q + 132]
    """
    return len(set([pos[mark] for pos in pi.pattern_positions(tau)]))
Created
Feb 21, 2021 at 14:16 by Martin Rubey
Updated
Feb 21, 2021 at 14:16 by Martin Rubey