Identifier
Identifier
Values
[1,2] => 0
[2,1] => 0
[1,2,3] => 0
[1,3,2] => 0
[2,1,3] => 0
[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] => 0
[1,3,4,2] => 0
[1,4,2,3] => 0
[1,4,3,2] => 0
[2,1,3,4] => 0
[2,1,4,3] => 1
[2,3,1,4] => 0
[2,3,4,1] => 0
[2,4,1,3] => 0
[2,4,3,1] => 0
[3,1,2,4] => 0
[3,1,4,2] => 1
[3,2,1,4] => 0
[3,2,4,1] => 0
[3,4,1,2] => 0
[3,4,2,1] => 0
[4,1,2,3] => 0
[4,1,3,2] => 0
[4,2,1,3] => 0
[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] => 0
[1,2,4,5,3] => 0
[1,2,5,3,4] => 0
[1,2,5,4,3] => 0
[1,3,2,4,5] => 0
[1,3,2,5,4] => 1
[1,3,4,2,5] => 0
[1,3,4,5,2] => 0
[1,3,5,2,4] => 0
[1,3,5,4,2] => 0
[1,4,2,3,5] => 0
[1,4,2,5,3] => 1
[1,4,3,2,5] => 0
[1,4,3,5,2] => 0
[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] => 0
[1,5,3,4,2] => 0
[1,5,4,2,3] => 0
[1,5,4,3,2] => 0
[2,1,3,4,5] => 0
[2,1,3,5,4] => 1
[2,1,4,3,5] => 1
[2,1,4,5,3] => 2
[2,1,5,3,4] => 1
[2,1,5,4,3] => 1
[2,3,1,4,5] => 0
[2,3,1,5,4] => 1
[2,3,4,1,5] => 0
[2,3,4,5,1] => 0
[2,3,5,1,4] => 0
[2,3,5,4,1] => 0
[2,4,1,3,5] => 0
[2,4,1,5,3] => 1
[2,4,3,1,5] => 0
[2,4,3,5,1] => 0
[2,4,5,1,3] => 0
[2,4,5,3,1] => 0
[2,5,1,3,4] => 0
[2,5,1,4,3] => 0
[2,5,3,1,4] => 0
[2,5,3,4,1] => 0
[2,5,4,1,3] => 0
[2,5,4,3,1] => 0
[3,1,2,4,5] => 0
[3,1,2,5,4] => 2
[3,1,4,2,5] => 1
[3,1,4,5,2] => 2
[3,1,5,2,4] => 1
[3,1,5,4,2] => 1
[3,2,1,4,5] => 0
[3,2,1,5,4] => 1
[3,2,4,1,5] => 0
[3,2,4,5,1] => 0
[3,2,5,1,4] => 0
[3,2,5,4,1] => 0
[3,4,1,2,5] => 0
[3,4,1,5,2] => 1
[3,4,2,1,5] => 0
[3,4,2,5,1] => 1
[3,4,5,1,2] => 0
[3,4,5,2,1] => 0
[3,5,1,2,4] => 0
[3,5,1,4,2] => 0
[3,5,2,1,4] => 0
[3,5,2,4,1] => 0
[3,5,4,1,2] => 0
[3,5,4,2,1] => 0
[4,1,2,3,5] => 0
[4,1,2,5,3] => 2
[4,1,3,2,5] => 0
[4,1,3,5,2] => 1
[4,1,5,2,3] => 1
[4,1,5,3,2] => 1
[4,2,1,3,5] => 0
[4,2,1,5,3] => 1
[4,2,3,1,5] => 0
[4,2,3,5,1] => 0
[4,2,5,1,3] => 0
[4,2,5,3,1] => 0
[4,3,1,2,5] => 0
[4,3,1,5,2] => 1
[4,3,2,1,5] => 0
[4,3,2,5,1] => 1
[4,3,5,1,2] => 0
[4,3,5,2,1] => 0
[4,5,1,2,3] => 0
[4,5,1,3,2] => 0
[4,5,2,1,3] => 0
[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] => 0
[5,1,3,4,2] => 0
[5,1,4,2,3] => 1
[5,1,4,3,2] => 1
[5,2,1,3,4] => 0
[5,2,1,4,3] => 0
[5,2,3,1,4] => 0
[5,2,3,4,1] => 0
[5,2,4,1,3] => 0
[5,2,4,3,1] => 0
[5,3,1,2,4] => 0
[5,3,1,4,2] => 0
[5,3,2,1,4] => 0
[5,3,2,4,1] => 0
[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] => 0
[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] => 0
[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] => 0
[1,2,4,3,6,5] => 1
[1,2,4,5,3,6] => 0
[1,2,4,5,6,3] => 0
[1,2,4,6,3,5] => 0
[1,2,4,6,5,3] => 0
[1,2,5,3,4,6] => 0
[1,2,5,3,6,4] => 1
[1,2,5,4,3,6] => 0
[1,2,5,4,6,3] => 0
[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] => 0
[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] => 0
[1,3,2,4,6,5] => 1
[1,3,2,5,4,6] => 1
[1,3,2,5,6,4] => 2
[1,3,2,6,4,5] => 1
[1,3,2,6,5,4] => 1
[1,3,4,2,5,6] => 0
[1,3,4,2,6,5] => 1
[1,3,4,5,2,6] => 0
[1,3,4,5,6,2] => 0
[1,3,4,6,2,5] => 0
[1,3,4,6,5,2] => 0
[1,3,5,2,4,6] => 0
[1,3,5,2,6,4] => 1
[1,3,5,4,2,6] => 0
[1,3,5,4,6,2] => 0
[1,3,5,6,2,4] => 0
[1,3,5,6,4,2] => 0
[1,3,6,2,4,5] => 0
[1,3,6,2,5,4] => 0
[1,3,6,4,2,5] => 0
[1,3,6,4,5,2] => 0
[1,3,6,5,2,4] => 0
[1,3,6,5,4,2] => 0
[1,4,2,3,5,6] => 0
[1,4,2,3,6,5] => 2
[1,4,2,5,3,6] => 1
[1,4,2,5,6,3] => 2
[1,4,2,6,3,5] => 1
[1,4,2,6,5,3] => 1
[1,4,3,2,5,6] => 0
[1,4,3,2,6,5] => 1
[1,4,3,5,2,6] => 0
[1,4,3,5,6,2] => 0
[1,4,3,6,2,5] => 0
[1,4,3,6,5,2] => 0
[1,4,5,2,3,6] => 0
[1,4,5,2,6,3] => 1
[1,4,5,3,2,6] => 0
[1,4,5,3,6,2] => 1
[1,4,5,6,2,3] => 0
[1,4,5,6,3,2] => 0
[1,4,6,2,3,5] => 0
[1,4,6,2,5,3] => 0
[1,4,6,3,2,5] => 0
[1,4,6,3,5,2] => 0
[1,4,6,5,2,3] => 0
[1,4,6,5,3,2] => 0
[1,5,2,3,4,6] => 0
[1,5,2,3,6,4] => 2
[1,5,2,4,3,6] => 0
[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] => 0
[1,5,3,2,6,4] => 1
[1,5,3,4,2,6] => 0
[1,5,3,4,6,2] => 0
[1,5,3,6,2,4] => 0
[1,5,3,6,4,2] => 0
[1,5,4,2,3,6] => 0
[1,5,4,2,6,3] => 1
[1,5,4,3,2,6] => 0
[1,5,4,3,6,2] => 1
[1,5,4,6,2,3] => 0
[1,5,4,6,3,2] => 0
[1,5,6,2,3,4] => 0
[1,5,6,2,4,3] => 0
[1,5,6,3,2,4] => 0
[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] => 0
[1,6,2,4,5,3] => 0
[1,6,2,5,3,4] => 1
[1,6,2,5,4,3] => 1
[1,6,3,2,4,5] => 0
[1,6,3,2,5,4] => 0
[1,6,3,4,2,5] => 0
[1,6,3,4,5,2] => 0
[1,6,3,5,2,4] => 0
[1,6,3,5,4,2] => 0
[1,6,4,2,3,5] => 0
[1,6,4,2,5,3] => 0
[1,6,4,3,2,5] => 0
[1,6,4,3,5,2] => 0
[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] => 0
[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] => 0
[2,1,3,4,6,5] => 1
[2,1,3,5,4,6] => 1
[2,1,3,5,6,4] => 2
[2,1,3,6,4,5] => 1
[2,1,3,6,5,4] => 1
[2,1,4,3,5,6] => 1
[2,1,4,3,6,5] => 3
[2,1,4,5,3,6] => 2
[2,1,4,5,6,3] => 3
[2,1,4,6,3,5] => 2
[2,1,4,6,5,3] => 2
[2,1,5,3,4,6] => 1
[2,1,5,3,6,4] => 3
[2,1,5,4,3,6] => 1
[2,1,5,4,6,3] => 2
[2,1,5,6,3,4] => 2
[2,1,5,6,4,3] => 2
[2,1,6,3,4,5] => 1
[2,1,6,3,5,4] => 1
[2,1,6,4,3,5] => 1
[2,1,6,4,5,3] => 1
[2,1,6,5,3,4] => 2
[2,1,6,5,4,3] => 2
[2,3,1,4,5,6] => 0
[2,3,1,4,6,5] => 1
[2,3,1,5,4,6] => 1
[2,3,1,5,6,4] => 2
[2,3,1,6,4,5] => 1
[2,3,1,6,5,4] => 1
[2,3,4,1,5,6] => 0
[2,3,4,1,6,5] => 1
[2,3,4,5,1,6] => 0
[2,3,4,5,6,1] => 0
[2,3,4,6,1,5] => 0
[2,3,4,6,5,1] => 0
[2,3,5,1,4,6] => 0
[2,3,5,1,6,4] => 1
[2,3,5,4,1,6] => 0
[2,3,5,4,6,1] => 0
[2,3,5,6,1,4] => 0
[2,3,5,6,4,1] => 0
[2,3,6,1,4,5] => 0
[2,3,6,1,5,4] => 0
[2,3,6,4,1,5] => 0
[2,3,6,4,5,1] => 0
[2,3,6,5,1,4] => 0
[2,3,6,5,4,1] => 0
[2,4,1,3,5,6] => 0
[2,4,1,3,6,5] => 2
[2,4,1,5,3,6] => 1
[2,4,1,5,6,3] => 2
[2,4,1,6,3,5] => 1
[2,4,1,6,5,3] => 1
[2,4,3,1,5,6] => 0
[2,4,3,1,6,5] => 1
[2,4,3,5,1,6] => 0
[2,4,3,5,6,1] => 0
[2,4,3,6,1,5] => 0
[2,4,3,6,5,1] => 0
[2,4,5,1,3,6] => 0
[2,4,5,1,6,3] => 1
[2,4,5,3,1,6] => 0
[2,4,5,3,6,1] => 1
[2,4,5,6,1,3] => 0
[2,4,5,6,3,1] => 0
[2,4,6,1,3,5] => 0
[2,4,6,1,5,3] => 0
[2,4,6,3,1,5] => 0
[2,4,6,3,5,1] => 0
[2,4,6,5,1,3] => 0
[2,4,6,5,3,1] => 0
[2,5,1,3,4,6] => 0
[2,5,1,3,6,4] => 2
[2,5,1,4,3,6] => 0
[2,5,1,4,6,3] => 1
[2,5,1,6,3,4] => 1
[2,5,1,6,4,3] => 1
[2,5,3,1,4,6] => 0
[2,5,3,1,6,4] => 1
[2,5,3,4,1,6] => 0
[2,5,3,4,6,1] => 0
[2,5,3,6,1,4] => 0
[2,5,3,6,4,1] => 0
[2,5,4,1,3,6] => 0
[2,5,4,1,6,3] => 1
[2,5,4,3,1,6] => 0
[2,5,4,3,6,1] => 1
[2,5,4,6,1,3] => 0
[2,5,4,6,3,1] => 0
[2,5,6,1,3,4] => 0
[2,5,6,1,4,3] => 0
[2,5,6,3,1,4] => 0
[2,5,6,3,4,1] => 0
[2,5,6,4,1,3] => 0
[2,5,6,4,3,1] => 0
[2,6,1,3,4,5] => 0
[2,6,1,3,5,4] => 0
[2,6,1,4,3,5] => 0
[2,6,1,4,5,3] => 0
[2,6,1,5,3,4] => 1
[2,6,1,5,4,3] => 1
[2,6,3,1,4,5] => 0
[2,6,3,1,5,4] => 0
[2,6,3,4,1,5] => 0
[2,6,3,4,5,1] => 0
[2,6,3,5,1,4] => 0
[2,6,3,5,4,1] => 0
[2,6,4,1,3,5] => 0
[2,6,4,1,5,3] => 0
[2,6,4,3,1,5] => 0
[2,6,4,3,5,1] => 0
[2,6,4,5,1,3] => 0
[2,6,4,5,3,1] => 0
[2,6,5,1,3,4] => 0
[2,6,5,1,4,3] => 0
[2,6,5,3,1,4] => 0
[2,6,5,3,4,1] => 0
[2,6,5,4,1,3] => 0
[2,6,5,4,3,1] => 0
[3,1,2,4,5,6] => 0
[3,1,2,4,6,5] => 2
[3,1,2,5,4,6] => 2
[3,1,2,5,6,4] => 4
[3,1,2,6,4,5] => 2
[3,1,2,6,5,4] => 2
[3,1,4,2,5,6] => 1
[3,1,4,2,6,5] => 3
[3,1,4,5,2,6] => 2
[3,1,4,5,6,2] => 3
[3,1,4,6,2,5] => 2
[3,1,4,6,5,2] => 2
[3,1,5,2,4,6] => 1
[3,1,5,2,6,4] => 3
[3,1,5,4,2,6] => 1
[3,1,5,4,6,2] => 2
[3,1,5,6,2,4] => 2
[3,1,5,6,4,2] => 2
[3,1,6,2,4,5] => 1
[3,1,6,2,5,4] => 1
[3,1,6,4,2,5] => 1
[3,1,6,4,5,2] => 1
[3,1,6,5,2,4] => 2
[3,1,6,5,4,2] => 2
[3,2,1,4,5,6] => 0
[3,2,1,4,6,5] => 1
[3,2,1,5,4,6] => 1
[3,2,1,5,6,4] => 2
[3,2,1,6,4,5] => 1
[3,2,1,6,5,4] => 1
[3,2,4,1,5,6] => 0
[3,2,4,1,6,5] => 1
[3,2,4,5,1,6] => 0
[3,2,4,5,6,1] => 0
[3,2,4,6,1,5] => 0
[3,2,4,6,5,1] => 0
[3,2,5,1,4,6] => 0
[3,2,5,1,6,4] => 1
[3,2,5,4,1,6] => 0
[3,2,5,4,6,1] => 0
[3,2,5,6,1,4] => 0
[3,2,5,6,4,1] => 0
[3,2,6,1,4,5] => 0
[3,2,6,1,5,4] => 0
[3,2,6,4,1,5] => 0
[3,2,6,4,5,1] => 0
[3,2,6,5,1,4] => 0
[3,2,6,5,4,1] => 0
[3,4,1,2,5,6] => 0
[3,4,1,2,6,5] => 2
[3,4,1,5,2,6] => 1
[3,4,1,5,6,2] => 2
[3,4,1,6,2,5] => 1
[3,4,1,6,5,2] => 1
[3,4,2,1,5,6] => 0
[3,4,2,1,6,5] => 2
[3,4,2,5,1,6] => 1
[3,4,2,5,6,1] => 2
[3,4,2,6,1,5] => 1
[3,4,2,6,5,1] => 1
[3,4,5,1,2,6] => 0
[3,4,5,1,6,2] => 1
[3,4,5,2,1,6] => 0
[3,4,5,2,6,1] => 1
[3,4,5,6,1,2] => 0
[3,4,5,6,2,1] => 0
[3,4,6,1,2,5] => 0
[3,4,6,1,5,2] => 0
[3,4,6,2,1,5] => 0
[3,4,6,2,5,1] => 0
[3,4,6,5,1,2] => 0
[3,4,6,5,2,1] => 0
[3,5,1,2,4,6] => 0
[3,5,1,2,6,4] => 2
[3,5,1,4,2,6] => 0
[3,5,1,4,6,2] => 1
[3,5,1,6,2,4] => 1
[3,5,1,6,4,2] => 1
[3,5,2,1,4,6] => 0
[3,5,2,1,6,4] => 2
[3,5,2,4,1,6] => 0
[3,5,2,4,6,1] => 1
[3,5,2,6,1,4] => 1
[3,5,2,6,4,1] => 1
[3,5,4,1,2,6] => 0
[3,5,4,1,6,2] => 1
[3,5,4,2,1,6] => 0
[3,5,4,2,6,1] => 1
[3,5,4,6,1,2] => 0
[3,5,4,6,2,1] => 0
[3,5,6,1,2,4] => 0
[3,5,6,1,4,2] => 0
[3,5,6,2,1,4] => 0
[3,5,6,2,4,1] => 0
[3,5,6,4,1,2] => 0
[3,5,6,4,2,1] => 0
[3,6,1,2,4,5] => 0
[3,6,1,2,5,4] => 0
[3,6,1,4,2,5] => 0
[3,6,1,4,5,2] => 0
[3,6,1,5,2,4] => 1
[3,6,1,5,4,2] => 1
[3,6,2,1,4,5] => 0
[3,6,2,1,5,4] => 0
[3,6,2,4,1,5] => 0
[3,6,2,4,5,1] => 0
[3,6,2,5,1,4] => 1
[3,6,2,5,4,1] => 1
[3,6,4,1,2,5] => 0
[3,6,4,1,5,2] => 0
[3,6,4,2,1,5] => 0
[3,6,4,2,5,1] => 0
[3,6,4,5,1,2] => 0
[3,6,4,5,2,1] => 0
[3,6,5,1,2,4] => 0
[3,6,5,1,4,2] => 0
[3,6,5,2,1,4] => 0
[3,6,5,2,4,1] => 0
[3,6,5,4,1,2] => 0
[3,6,5,4,2,1] => 0
[4,1,2,3,5,6] => 0
[4,1,2,3,6,5] => 3
[4,1,2,5,3,6] => 2
[4,1,2,5,6,3] => 4
[4,1,2,6,3,5] => 2
[4,1,2,6,5,3] => 2
[4,1,3,2,5,6] => 0
[4,1,3,2,6,5] => 2
[4,1,3,5,2,6] => 1
[4,1,3,5,6,2] => 2
[4,1,3,6,2,5] => 1
[4,1,3,6,5,2] => 1
[4,1,5,2,3,6] => 1
[4,1,5,2,6,3] => 3
[4,1,5,3,2,6] => 1
[4,1,5,3,6,2] => 3
[4,1,5,6,2,3] => 2
[4,1,5,6,3,2] => 2
[4,1,6,2,3,5] => 1
[4,1,6,2,5,3] => 1
[4,1,6,3,2,5] => 1
[4,1,6,3,5,2] => 1
[4,1,6,5,2,3] => 2
[4,1,6,5,3,2] => 2
[4,2,1,3,5,6] => 0
[4,2,1,3,6,5] => 2
[4,2,1,5,3,6] => 1
[4,2,1,5,6,3] => 2
[4,2,1,6,3,5] => 1
[4,2,1,6,5,3] => 1
[4,2,3,1,5,6] => 0
[4,2,3,1,6,5] => 1
[4,2,3,5,1,6] => 0
[4,2,3,5,6,1] => 0
[4,2,3,6,1,5] => 0
[4,2,3,6,5,1] => 0
[4,2,5,1,3,6] => 0
[4,2,5,1,6,3] => 1
[4,2,5,3,1,6] => 0
[4,2,5,3,6,1] => 1
[4,2,5,6,1,3] => 0
[4,2,5,6,3,1] => 0
[4,2,6,1,3,5] => 0
[4,2,6,1,5,3] => 0
[4,2,6,3,1,5] => 0
[4,2,6,3,5,1] => 0
[4,2,6,5,1,3] => 0
[4,2,6,5,3,1] => 0
[4,3,1,2,5,6] => 0
[4,3,1,2,6,5] => 2
[4,3,1,5,2,6] => 1
[4,3,1,5,6,2] => 2
[4,3,1,6,2,5] => 1
[4,3,1,6,5,2] => 1
[4,3,2,1,5,6] => 0
[4,3,2,1,6,5] => 2
[4,3,2,5,1,6] => 1
[4,3,2,5,6,1] => 2
[4,3,2,6,1,5] => 1
[4,3,2,6,5,1] => 1
[4,3,5,1,2,6] => 0
[4,3,5,1,6,2] => 1
[4,3,5,2,1,6] => 0
[4,3,5,2,6,1] => 1
[4,3,5,6,1,2] => 0
[4,3,5,6,2,1] => 0
[4,3,6,1,2,5] => 0
[4,3,6,1,5,2] => 0
[4,3,6,2,1,5] => 0
[4,3,6,2,5,1] => 0
[4,3,6,5,1,2] => 0
[4,3,6,5,2,1] => 0
[4,5,1,2,3,6] => 0
[4,5,1,2,6,3] => 2
[4,5,1,3,2,6] => 0
[4,5,1,3,6,2] => 2
[4,5,1,6,2,3] => 1
[4,5,1,6,3,2] => 1
[4,5,2,1,3,6] => 0
[4,5,2,1,6,3] => 2
[4,5,2,3,1,6] => 0
[4,5,2,3,6,1] => 2
[4,5,2,6,1,3] => 1
[4,5,2,6,3,1] => 1
[4,5,3,1,2,6] => 0
[4,5,3,1,6,2] => 1
[4,5,3,2,1,6] => 0
[4,5,3,2,6,1] => 1
[4,5,3,6,1,2] => 0
[4,5,3,6,2,1] => 0
[4,5,6,1,2,3] => 0
[4,5,6,1,3,2] => 0
[4,5,6,2,1,3] => 0
[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] => 0
[4,6,1,2,5,3] => 0
[4,6,1,3,2,5] => 0
[4,6,1,3,5,2] => 0
[4,6,1,5,2,3] => 1
[4,6,1,5,3,2] => 1
[4,6,2,1,3,5] => 0
[4,6,2,1,5,3] => 0
[4,6,2,3,1,5] => 0
[4,6,2,3,5,1] => 0
[4,6,2,5,1,3] => 1
[4,6,2,5,3,1] => 1
[4,6,3,1,2,5] => 0
[4,6,3,1,5,2] => 0
[4,6,3,2,1,5] => 0
[4,6,3,2,5,1] => 0
[4,6,3,5,1,2] => 0
[4,6,3,5,2,1] => 0
[4,6,5,1,2,3] => 0
[4,6,5,1,3,2] => 0
[4,6,5,2,1,3] => 0
[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] => 0
[5,1,2,3,6,4] => 3
[5,1,2,4,3,6] => 0
[5,1,2,4,6,3] => 2
[5,1,2,6,3,4] => 2
[5,1,2,6,4,3] => 2
[5,1,3,2,4,6] => 0
[5,1,3,2,6,4] => 2
[5,1,3,4,2,6] => 0
[5,1,3,4,6,2] => 1
[5,1,3,6,2,4] => 1
[5,1,3,6,4,2] => 1
[5,1,4,2,3,6] => 1
[5,1,4,2,6,3] => 3
[5,1,4,3,2,6] => 1
[5,1,4,3,6,2] => 3
[5,1,4,6,2,3] => 2
[5,1,4,6,3,2] => 2
[5,1,6,2,3,4] => 1
[5,1,6,2,4,3] => 1
[5,1,6,3,2,4] => 1
[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] => 0
[5,2,1,3,6,4] => 2
[5,2,1,4,3,6] => 0
[5,2,1,4,6,3] => 1
[5,2,1,6,3,4] => 1
[5,2,1,6,4,3] => 1
[5,2,3,1,4,6] => 0
[5,2,3,1,6,4] => 1
[5,2,3,4,1,6] => 0
[5,2,3,4,6,1] => 0
[5,2,3,6,1,4] => 0
[5,2,3,6,4,1] => 0
[5,2,4,1,3,6] => 0
[5,2,4,1,6,3] => 1
[5,2,4,3,1,6] => 0
[5,2,4,3,6,1] => 1
[5,2,4,6,1,3] => 0
[5,2,4,6,3,1] => 0
[5,2,6,1,3,4] => 0
[5,2,6,1,4,3] => 0
[5,2,6,3,1,4] => 0
[5,2,6,3,4,1] => 0
[5,2,6,4,1,3] => 0
[5,2,6,4,3,1] => 0
[5,3,1,2,4,6] => 0
[5,3,1,2,6,4] => 2
[5,3,1,4,2,6] => 0
[5,3,1,4,6,2] => 1
[5,3,1,6,2,4] => 1
[5,3,1,6,4,2] => 1
[5,3,2,1,4,6] => 0
[5,3,2,1,6,4] => 2
[5,3,2,4,1,6] => 0
[5,3,2,4,6,1] => 1
[5,3,2,6,1,4] => 1
[5,3,2,6,4,1] => 1
[5,3,4,1,2,6] => 0
[5,3,4,1,6,2] => 1
[5,3,4,2,1,6] => 0
[5,3,4,2,6,1] => 1
[5,3,4,6,1,2] => 0
[5,3,4,6,2,1] => 0
[5,3,6,1,2,4] => 0
[5,3,6,1,4,2] => 0
[5,3,6,2,1,4] => 0
[5,3,6,2,4,1] => 0
[5,3,6,4,1,2] => 0
[5,3,6,4,2,1] => 0
[5,4,1,2,3,6] => 0
[5,4,1,2,6,3] => 2
[5,4,1,3,2,6] => 0
[5,4,1,3,6,2] => 2
[5,4,1,6,2,3] => 1
[5,4,1,6,3,2] => 1
[5,4,2,1,3,6] => 0
[5,4,2,1,6,3] => 2
[5,4,2,3,1,6] => 0
[5,4,2,3,6,1] => 2
[5,4,2,6,1,3] => 1
[5,4,2,6,3,1] => 1
[5,4,3,1,2,6] => 0
[5,4,3,1,6,2] => 1
[5,4,3,2,1,6] => 0
[5,4,3,2,6,1] => 1
[5,4,3,6,1,2] => 0
[5,4,3,6,2,1] => 0
[5,4,6,1,2,3] => 0
[5,4,6,1,3,2] => 0
[5,4,6,2,1,3] => 0
[5,4,6,2,3,1] => 0
[5,4,6,3,1,2] => 0
[5,4,6,3,2,1] => 0
[5,6,1,2,3,4] => 0
[5,6,1,2,4,3] => 0
[5,6,1,3,2,4] => 0
[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] => 0
[5,6,2,1,4,3] => 0
[5,6,2,3,1,4] => 0
[5,6,2,3,4,1] => 0
[5,6,2,4,1,3] => 0
[5,6,2,4,3,1] => 0
[5,6,3,1,2,4] => 0
[5,6,3,1,4,2] => 0
[5,6,3,2,1,4] => 0
[5,6,3,2,4,1] => 0
[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] => 0
[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] => 0
[6,1,2,4,5,3] => 0
[6,1,2,5,3,4] => 2
[6,1,2,5,4,3] => 2
[6,1,3,2,4,5] => 0
[6,1,3,2,5,4] => 0
[6,1,3,4,2,5] => 0
[6,1,3,4,5,2] => 0
[6,1,3,5,2,4] => 1
[6,1,3,5,4,2] => 1
[6,1,4,2,3,5] => 1
[6,1,4,2,5,3] => 1
[6,1,4,3,2,5] => 1
[6,1,4,3,5,2] => 1
[6,1,4,5,2,3] => 2
[6,1,4,5,3,2] => 2
[6,1,5,2,3,4] => 1
[6,1,5,2,4,3] => 1
[6,1,5,3,2,4] => 1
[6,1,5,3,4,2] => 1
[6,1,5,4,2,3] => 1
[6,1,5,4,3,2] => 1
[6,2,1,3,4,5] => 0
[6,2,1,3,5,4] => 0
[6,2,1,4,3,5] => 0
[6,2,1,4,5,3] => 0
[6,2,1,5,3,4] => 1
[6,2,1,5,4,3] => 1
[6,2,3,1,4,5] => 0
[6,2,3,1,5,4] => 0
[6,2,3,4,1,5] => 0
[6,2,3,4,5,1] => 0
[6,2,3,5,1,4] => 0
[6,2,3,5,4,1] => 0
[6,2,4,1,3,5] => 0
[6,2,4,1,5,3] => 0
[6,2,4,3,1,5] => 0
[6,2,4,3,5,1] => 0
[6,2,4,5,1,3] => 0
[6,2,4,5,3,1] => 0
[6,2,5,1,3,4] => 0
[6,2,5,1,4,3] => 0
[6,2,5,3,1,4] => 0
[6,2,5,3,4,1] => 0
[6,2,5,4,1,3] => 0
[6,2,5,4,3,1] => 0
[6,3,1,2,4,5] => 0
[6,3,1,2,5,4] => 0
[6,3,1,4,2,5] => 0
[6,3,1,4,5,2] => 0
[6,3,1,5,2,4] => 1
[6,3,1,5,4,2] => 1
[6,3,2,1,4,5] => 0
[6,3,2,1,5,4] => 0
[6,3,2,4,1,5] => 0
[6,3,2,4,5,1] => 0
[6,3,2,5,1,4] => 1
[6,3,2,5,4,1] => 1
[6,3,4,1,2,5] => 0
[6,3,4,1,5,2] => 0
[6,3,4,2,1,5] => 0
[6,3,4,2,5,1] => 0
[6,3,4,5,1,2] => 0
[6,3,4,5,2,1] => 0
[6,3,5,1,2,4] => 0
[6,3,5,1,4,2] => 0
[6,3,5,2,1,4] => 0
[6,3,5,2,4,1] => 0
[6,3,5,4,1,2] => 0
[6,3,5,4,2,1] => 0
[6,4,1,2,3,5] => 0
[6,4,1,2,5,3] => 0
[6,4,1,3,2,5] => 0
[6,4,1,3,5,2] => 0
[6,4,1,5,2,3] => 1
[6,4,1,5,3,2] => 1
[6,4,2,1,3,5] => 0
[6,4,2,1,5,3] => 0
[6,4,2,3,1,5] => 0
[6,4,2,3,5,1] => 0
[6,4,2,5,1,3] => 1
[6,4,2,5,3,1] => 1
[6,4,3,1,2,5] => 0
[6,4,3,1,5,2] => 0
[6,4,3,2,1,5] => 0
[6,4,3,2,5,1] => 0
[6,4,3,5,1,2] => 0
[6,4,3,5,2,1] => 0
[6,4,5,1,2,3] => 0
[6,4,5,1,3,2] => 0
[6,4,5,2,1,3] => 0
[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] => 0
[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] => 0
[6,5,2,1,4,3] => 0
[6,5,2,3,1,4] => 0
[6,5,2,3,4,1] => 0
[6,5,2,4,1,3] => 0
[6,5,2,4,3,1] => 0
[6,5,3,1,2,4] => 0
[6,5,3,1,4,2] => 0
[6,5,3,2,1,4] => 0
[6,5,3,2,4,1] => 0
[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] => 0
[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] => 0
[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] => 0
[1,2,3,5,4,7,6] => 1
[1,2,3,5,6,4,7] => 0
[1,2,3,5,6,7,4] => 0
[1,2,3,5,7,4,6] => 0
[1,2,3,5,7,6,4] => 0
[1,2,3,6,4,5,7] => 0
[1,2,3,6,4,7,5] => 1
[1,2,3,6,5,4,7] => 0
[1,2,3,6,5,7,4] => 0
[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] => 0
[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] => 0
[1,2,4,3,5,7,6] => 1
[1,2,4,3,6,5,7] => 1
[1,2,4,3,6,7,5] => 2
[1,2,4,3,7,5,6] => 1
[1,2,4,3,7,6,5] => 1
[1,2,4,5,3,6,7] => 0
[1,2,4,5,3,7,6] => 1
[1,2,4,5,6,3,7] => 0
[1,2,4,5,6,7,3] => 0
[1,2,4,5,7,3,6] => 0
[1,2,4,5,7,6,3] => 0
[1,2,4,6,3,5,7] => 0
[1,2,4,6,3,7,5] => 1
[1,2,4,6,5,3,7] => 0
[1,2,4,6,5,7,3] => 0
[1,2,4,6,7,3,5] => 0
[1,2,4,6,7,5,3] => 0
[1,2,4,7,3,5,6] => 0
[1,2,4,7,3,6,5] => 0
[1,2,4,7,5,3,6] => 0
[1,2,4,7,5,6,3] => 0
[1,2,4,7,6,3,5] => 0
[1,2,4,7,6,5,3] => 0
[1,2,5,3,4,6,7] => 0
[1,2,5,3,4,7,6] => 2
[1,2,5,3,6,4,7] => 1
[1,2,5,3,6,7,4] => 2
[1,2,5,3,7,4,6] => 1
[1,2,5,3,7,6,4] => 1
[1,2,5,4,3,6,7] => 0
[1,2,5,4,3,7,6] => 1
[1,2,5,4,6,3,7] => 0
[1,2,5,4,6,7,3] => 0
[1,2,5,4,7,3,6] => 0
[1,2,5,4,7,6,3] => 0
[1,2,5,6,3,4,7] => 0
[1,2,5,6,3,7,4] => 1
[1,2,5,6,4,3,7] => 0
[1,2,5,6,4,7,3] => 1
[1,2,5,6,7,3,4] => 0
[1,2,5,6,7,4,3] => 0
[1,2,5,7,3,4,6] => 0
[1,2,5,7,3,6,4] => 0
[1,2,5,7,4,3,6] => 0
[1,2,5,7,4,6,3] => 0
[1,2,5,7,6,3,4] => 0
[1,2,5,7,6,4,3] => 0
[1,2,6,3,4,5,7] => 0
[1,2,6,3,4,7,5] => 2
[1,2,6,3,5,4,7] => 0
[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] => 0
[1,2,6,4,3,7,5] => 1
[1,2,6,4,5,3,7] => 0
[1,2,6,4,5,7,3] => 0
[1,2,6,4,7,3,5] => 0
[1,2,6,4,7,5,3] => 0
[1,2,6,5,3,4,7] => 0
[1,2,6,5,3,7,4] => 1
[1,2,6,5,4,3,7] => 0
[1,2,6,5,4,7,3] => 1
[1,2,6,5,7,3,4] => 0
[1,2,6,5,7,4,3] => 0
[1,2,6,7,3,4,5] => 0
[1,2,6,7,3,5,4] => 0
[1,2,6,7,4,3,5] => 0
[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] => 0
[1,2,7,3,5,6,4] => 0
[1,2,7,3,6,4,5] => 1
[1,2,7,3,6,5,4] => 1
[1,2,7,4,3,5,6] => 0
[1,2,7,4,3,6,5] => 0
[1,2,7,4,5,3,6] => 0
[1,2,7,4,5,6,3] => 0
[1,2,7,4,6,3,5] => 0
[1,2,7,4,6,5,3] => 0
[1,2,7,5,3,4,6] => 0
[1,2,7,5,3,6,4] => 0
[1,2,7,5,4,3,6] => 0
[1,2,7,5,4,6,3] => 0
[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] => 0
[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] => 0
[1,3,2,4,5,7,6] => 1
[1,3,2,4,6,5,7] => 1
[1,3,2,4,6,7,5] => 2
[1,3,2,4,7,5,6] => 1
[1,3,2,4,7,6,5] => 1
[1,3,2,5,4,6,7] => 1
[1,3,2,5,4,7,6] => 3
[1,3,2,5,6,4,7] => 2
[1,3,2,5,6,7,4] => 3
[1,3,2,5,7,4,6] => 2
[1,3,2,5,7,6,4] => 2
[1,3,2,6,4,5,7] => 1
[1,3,2,6,4,7,5] => 3
[1,3,2,6,5,4,7] => 1
[1,3,2,6,5,7,4] => 2
[1,3,2,6,7,4,5] => 2
[1,3,2,6,7,5,4] => 2
[1,3,2,7,4,5,6] => 1
[1,3,2,7,4,6,5] => 1
[1,3,2,7,5,4,6] => 1
[1,3,2,7,5,6,4] => 1
[1,3,2,7,6,4,5] => 2
[1,3,2,7,6,5,4] => 2
[1,3,4,2,5,6,7] => 0
[1,3,4,2,5,7,6] => 1
[1,3,4,2,6,5,7] => 1
[1,3,4,2,6,7,5] => 2
[1,3,4,2,7,5,6] => 1
[1,3,4,2,7,6,5] => 1
[1,3,4,5,2,6,7] => 0
[1,3,4,5,2,7,6] => 1
[1,3,4,5,6,2,7] => 0
[1,3,4,5,6,7,2] => 0
[1,3,4,5,7,2,6] => 0
[1,3,4,5,7,6,2] => 0
[1,3,4,6,2,5,7] => 0
[1,3,4,6,2,7,5] => 1
[1,3,4,6,5,2,7] => 0
[1,3,4,6,5,7,2] => 0
[1,3,4,6,7,2,5] => 0
[1,3,4,6,7,5,2] => 0
[1,3,4,7,2,5,6] => 0
[1,3,4,7,2,6,5] => 0
[1,3,4,7,5,2,6] => 0
[1,3,4,7,5,6,2] => 0
[1,3,4,7,6,2,5] => 0
[1,3,4,7,6,5,2] => 0
[1,3,5,2,4,6,7] => 0
[1,3,5,2,4,7,6] => 2
[1,3,5,2,6,4,7] => 1
[1,3,5,2,6,7,4] => 2
[1,3,5,2,7,4,6] => 1
[1,3,5,2,7,6,4] => 1
[1,3,5,4,2,6,7] => 0
[1,3,5,4,2,7,6] => 1
[1,3,5,4,6,2,7] => 0
[1,3,5,4,6,7,2] => 0
[1,3,5,4,7,2,6] => 0
[1,3,5,4,7,6,2] => 0
[1,3,5,6,2,4,7] => 0
[1,3,5,6,2,7,4] => 1
[1,3,5,6,4,2,7] => 0
[1,3,5,6,4,7,2] => 1
[1,3,5,6,7,2,4] => 0
[1,3,5,6,7,4,2] => 0
[1,3,5,7,2,4,6] => 0
[1,3,5,7,2,6,4] => 0
[1,3,5,7,4,2,6] => 0
[1,3,5,7,4,6,2] => 0
[1,3,5,7,6,2,4] => 0
[1,3,5,7,6,4,2] => 0
[1,3,6,2,4,5,7] => 0
[1,3,6,2,4,7,5] => 2
[1,3,6,2,5,4,7] => 0
[1,3,6,2,5,7,4] => 1
[1,3,6,2,7,4,5] => 1
[1,3,6,2,7,5,4] => 1
[1,3,6,4,2,5,7] => 0
[1,3,6,4,2,7,5] => 1
[1,3,6,4,5,2,7] => 0
[1,3,6,4,5,7,2] => 0
[1,3,6,4,7,2,5] => 0
[1,3,6,4,7,5,2] => 0
[1,3,6,5,2,4,7] => 0
[1,3,6,5,2,7,4] => 1
[1,3,6,5,4,2,7] => 0
[1,3,6,5,4,7,2] => 1
[1,3,6,5,7,2,4] => 0
[1,3,6,5,7,4,2] => 0
[1,3,6,7,2,4,5] => 0
[1,3,6,7,2,5,4] => 0
[1,3,6,7,4,2,5] => 0
[1,3,6,7,4,5,2] => 0
[1,3,6,7,5,2,4] => 0
[1,3,6,7,5,4,2] => 0
[1,3,7,2,4,5,6] => 0
[1,3,7,2,4,6,5] => 0
[1,3,7,2,5,4,6] => 0
[1,3,7,2,5,6,4] => 0
[1,3,7,2,6,4,5] => 1
[1,3,7,2,6,5,4] => 1
[1,3,7,4,2,5,6] => 0
[1,3,7,4,2,6,5] => 0
[1,3,7,4,5,2,6] => 0
[1,3,7,4,5,6,2] => 0
[1,3,7,4,6,2,5] => 0
[1,3,7,4,6,5,2] => 0
[1,3,7,5,2,4,6] => 0
[1,3,7,5,2,6,4] => 0
[1,3,7,5,4,2,6] => 0
[1,3,7,5,4,6,2] => 0
[1,3,7,5,6,2,4] => 0
[1,3,7,5,6,4,2] => 0
[1,3,7,6,2,4,5] => 0
[1,3,7,6,2,5,4] => 0
[1,3,7,6,4,2,5] => 0
[1,3,7,6,4,5,2] => 0
[1,3,7,6,5,2,4] => 0
[1,3,7,6,5,4,2] => 0
[1,4,2,3,5,6,7] => 0
[1,4,2,3,5,7,6] => 2
[1,4,2,3,6,5,7] => 2
[1,4,2,3,6,7,5] => 4
[1,4,2,3,7,5,6] => 2
[1,4,2,3,7,6,5] => 2
[1,4,2,5,3,6,7] => 1
[1,4,2,5,3,7,6] => 3
[1,4,2,5,6,3,7] => 2
[1,4,2,5,6,7,3] => 3
[1,4,2,5,7,3,6] => 2
[1,4,2,5,7,6,3] => 2
[1,4,2,6,3,5,7] => 1
[1,4,2,6,3,7,5] => 3
[1,4,2,6,5,3,7] => 1
[1,4,2,6,5,7,3] => 2
[1,4,2,6,7,3,5] => 2
[1,4,2,6,7,5,3] => 2
[1,4,2,7,3,5,6] => 1
[1,4,2,7,3,6,5] => 1
[1,4,2,7,5,3,6] => 1
[1,4,2,7,5,6,3] => 1
[1,4,2,7,6,3,5] => 2
[1,4,2,7,6,5,3] => 2
[1,4,3,2,5,6,7] => 0
[1,4,3,2,5,7,6] => 1
[1,4,3,2,6,5,7] => 1
[1,4,3,2,6,7,5] => 2
[1,4,3,2,7,5,6] => 1
[1,4,3,2,7,6,5] => 1
[1,4,3,5,2,6,7] => 0
[1,4,3,5,2,7,6] => 1
[1,4,3,5,6,2,7] => 0
[1,4,3,5,6,7,2] => 0
[1,4,3,5,7,2,6] => 0
[1,4,3,5,7,6,2] => 0
[1,4,3,6,2,5,7] => 0
[1,4,3,6,2,7,5] => 1
[1,4,3,6,5,2,7] => 0
[1,4,3,6,5,7,2] => 0
[1,4,3,6,7,2,5] => 0
[1,4,3,6,7,5,2] => 0
[1,4,3,7,2,5,6] => 0
[1,4,3,7,2,6,5] => 0
[1,4,3,7,5,2,6] => 0
[1,4,3,7,5,6,2] => 0
[1,4,3,7,6,2,5] => 0
[1,4,3,7,6,5,2] => 0
[1,4,5,2,3,6,7] => 0
[1,4,5,2,3,7,6] => 2
[1,4,5,2,6,3,7] => 1
[1,4,5,2,6,7,3] => 2
[1,4,5,2,7,3,6] => 1
[1,4,5,2,7,6,3] => 1
[1,4,5,3,2,6,7] => 0
[1,4,5,3,2,7,6] => 2
[1,4,5,3,6,2,7] => 1
[1,4,5,3,6,7,2] => 2
[1,4,5,3,7,2,6] => 1
[1,4,5,3,7,6,2] => 1
[1,4,5,6,2,3,7] => 0
[1,4,5,6,2,7,3] => 1
[1,4,5,6,3,2,7] => 0
[1,4,5,6,3,7,2] => 1
[1,4,5,6,7,2,3] => 0
[1,4,5,6,7,3,2] => 0
[1,4,5,7,2,3,6] => 0
[1,4,5,7,2,6,3] => 0
[1,4,5,7,3,2,6] => 0
[1,4,5,7,3,6,2] => 0
[1,4,5,7,6,2,3] => 0
[1,4,5,7,6,3,2] => 0
[1,4,6,2,3,5,7] => 0
[1,4,6,2,3,7,5] => 2
[1,4,6,2,5,3,7] => 0
[1,4,6,2,5,7,3] => 1
[1,4,6,2,7,3,5] => 1
[1,4,6,2,7,5,3] => 1
[1,4,6,3,2,5,7] => 0
[1,4,6,3,2,7,5] => 2
[1,4,6,3,5,2,7] => 0
[1,4,6,3,5,7,2] => 1
[1,4,6,3,7,2,5] => 1
[1,4,6,3,7,5,2] => 1
[1,4,6,5,2,3,7] => 0
[1,4,6,5,2,7,3] => 1
[1,4,6,5,3,2,7] => 0
[1,4,6,5,3,7,2] => 1
click to show generating function       
Description
The number of stretching pairs of a permutation.
This is the number of pairs $(i,j)$ with $\pi(i) < i < j < \pi(j)$.
References
[1] Triangle read by rows: T(n,k) is the number of stretching pairs in all permutations in S_n,k (=set of permutations in S_n with k cycles) (n>=3; 1<=k<=n-2). OEIS:A216118
[2] Ferraz de Andrade, R., Lundberg, E., Nagle, B. Asymptotics of the Extremal Excedance Set Statistic arXiv:1403.0691
Code
def statistic(pi):
    return len([(i,j) for i in range(1, len(pi)) for j in range(i+1, len(pi)+1)
                if pi(i) < i < j < pi(j)])

Created
May 30, 2016 at 06:15 by Martin Rubey
Updated
May 30, 2016 at 06:15 by Martin Rubey