Identifier
Identifier
Values
[1,2] => 0
[2,1] => 0
[1,2,3] => 0
[1,3,2] => 3
[2,1,3] => 0
[2,3,1] => 3
[3,1,2] => 0
[3,2,1] => 0
[1,2,3,4] => 0
[1,2,4,3] => 3
[1,3,2,4] => 3
[1,3,4,2] => 3
[1,4,2,3] => 5
[1,4,3,2] => 4
[2,1,3,4] => 1
[2,1,4,3] => 4
[2,3,1,4] => 3
[2,3,4,1] => 4
[2,4,1,3] => 5
[2,4,3,1] => 3
[3,1,2,4] => 0
[3,1,4,2] => 5
[3,2,1,4] => 0
[3,2,4,1] => 5
[3,4,1,2] => 4
[3,4,2,1] => 3
[4,1,2,3] => 0
[4,1,3,2] => 3
[4,2,1,3] => 0
[4,2,3,1] => 3
[4,3,1,2] => 1
[4,3,2,1] => 0
[1,2,3,4,5] => 0
[1,2,3,5,4] => 3
[1,2,4,3,5] => 3
[1,2,4,5,3] => 3
[1,2,5,3,4] => 5
[1,2,5,4,3] => 4
[1,3,2,4,5] => 3
[1,3,2,5,4] => 4
[1,3,4,2,5] => 3
[1,3,4,5,2] => 4
[1,3,5,2,4] => 5
[1,3,5,4,2] => 3
[1,4,2,3,5] => 5
[1,4,2,5,3] => 5
[1,4,3,2,5] => 4
[1,4,3,5,2] => 5
[1,4,5,2,3] => 4
[1,4,5,3,2] => 3
[1,5,2,3,4] => 7
[1,5,2,4,3] => 7
[1,5,3,2,4] => 6
[1,5,3,4,2] => 6
[1,5,4,2,3] => 5
[1,5,4,3,2] => 5
[2,1,3,4,5] => 1
[2,1,3,5,4] => 3
[2,1,4,3,5] => 4
[2,1,4,5,3] => 3
[2,1,5,3,4] => 6
[2,1,5,4,3] => 5
[2,3,1,4,5] => 3
[2,3,1,5,4] => 5
[2,3,4,1,5] => 4
[2,3,4,5,1] => 5
[2,3,5,1,4] => 6
[2,3,5,4,1] => 3
[2,4,1,3,5] => 5
[2,4,1,5,3] => 6
[2,4,3,1,5] => 3
[2,4,3,5,1] => 6
[2,4,5,1,3] => 5
[2,4,5,3,1] => 3
[2,5,1,3,4] => 7
[2,5,1,4,3] => 7
[2,5,3,1,4] => 5
[2,5,3,4,1] => 5
[2,5,4,1,3] => 4
[2,5,4,3,1] => 4
[3,1,2,4,5] => 1
[3,1,2,5,4] => 4
[3,1,4,2,5] => 5
[3,1,4,5,2] => 4
[3,1,5,2,4] => 7
[3,1,5,4,2] => 5
[3,2,1,4,5] => 2
[3,2,1,5,4] => 5
[3,2,4,1,5] => 5
[3,2,4,5,1] => 5
[3,2,5,1,4] => 7
[3,2,5,4,1] => 4
[3,4,1,2,5] => 4
[3,4,1,5,2] => 7
[3,4,2,1,5] => 3
[3,4,2,5,1] => 7
[3,4,5,1,2] => 5
[3,4,5,2,1] => 4
[3,5,1,2,4] => 6
[3,5,1,4,2] => 6
[3,5,2,1,4] => 5
[3,5,2,4,1] => 5
[3,5,4,1,2] => 3
[3,5,4,2,1] => 3
[4,1,2,3,5] => 0
[4,1,2,5,3] => 5
[4,1,3,2,5] => 3
[4,1,3,5,2] => 5
[4,1,5,2,3] => 7
[4,1,5,3,2] => 6
[4,2,1,3,5] => 0
[4,2,1,5,3] => 6
[4,2,3,1,5] => 3
[4,2,3,5,1] => 6
[4,2,5,1,3] => 7
[4,2,5,3,1] => 5
[4,3,1,2,5] => 1
[4,3,1,5,2] => 7
[4,3,2,1,5] => 0
[4,3,2,5,1] => 7
[4,3,5,1,2] => 6
[4,3,5,2,1] => 5
[4,5,1,2,3] => 5
[4,5,1,3,2] => 5
[4,5,2,1,3] => 4
[4,5,2,3,1] => 4
[4,5,3,1,2] => 3
[4,5,3,2,1] => 3
[5,1,2,3,4] => 0
[5,1,2,4,3] => 3
[5,1,3,2,4] => 3
[5,1,3,4,2] => 3
[5,1,4,2,3] => 5
[5,1,4,3,2] => 4
[5,2,1,3,4] => 1
[5,2,1,4,3] => 4
[5,2,3,1,4] => 3
[5,2,3,4,1] => 4
[5,2,4,1,3] => 5
[5,2,4,3,1] => 3
[5,3,1,2,4] => 0
[5,3,1,4,2] => 5
[5,3,2,1,4] => 0
[5,3,2,4,1] => 5
[5,3,4,1,2] => 4
[5,3,4,2,1] => 3
[5,4,1,2,3] => 2
[5,4,1,3,2] => 3
[5,4,2,1,3] => 1
[5,4,2,3,1] => 3
[5,4,3,1,2] => 1
[5,4,3,2,1] => 0
[1,2,3,4,5,6] => 0
[1,2,3,4,6,5] => 3
[1,2,3,5,4,6] => 3
[1,2,3,5,6,4] => 3
[1,2,3,6,4,5] => 5
[1,2,3,6,5,4] => 4
[1,2,4,3,5,6] => 3
[1,2,4,3,6,5] => 4
[1,2,4,5,3,6] => 3
[1,2,4,5,6,3] => 4
[1,2,4,6,3,5] => 5
[1,2,4,6,5,3] => 3
[1,2,5,3,4,6] => 5
[1,2,5,3,6,4] => 5
[1,2,5,4,3,6] => 4
[1,2,5,4,6,3] => 5
[1,2,5,6,3,4] => 4
[1,2,5,6,4,3] => 3
[1,2,6,3,4,5] => 7
[1,2,6,3,5,4] => 7
[1,2,6,4,3,5] => 6
[1,2,6,4,5,3] => 6
[1,2,6,5,3,4] => 5
[1,2,6,5,4,3] => 5
[1,3,2,4,5,6] => 3
[1,3,2,4,6,5] => 3
[1,3,2,5,4,6] => 4
[1,3,2,5,6,4] => 3
[1,3,2,6,4,5] => 6
[1,3,2,6,5,4] => 5
[1,3,4,2,5,6] => 3
[1,3,4,2,6,5] => 5
[1,3,4,5,2,6] => 4
[1,3,4,5,6,2] => 5
[1,3,4,6,2,5] => 6
[1,3,4,6,5,2] => 3
[1,3,5,2,4,6] => 5
[1,3,5,2,6,4] => 6
[1,3,5,4,2,6] => 3
[1,3,5,4,6,2] => 6
[1,3,5,6,2,4] => 5
[1,3,5,6,4,2] => 3
[1,3,6,2,4,5] => 7
[1,3,6,2,5,4] => 7
[1,3,6,4,2,5] => 5
[1,3,6,4,5,2] => 5
[1,3,6,5,2,4] => 4
[1,3,6,5,4,2] => 4
[1,4,2,3,5,6] => 5
[1,4,2,3,6,5] => 5
[1,4,2,5,3,6] => 5
[1,4,2,5,6,3] => 5
[1,4,2,6,3,5] => 7
[1,4,2,6,5,3] => 5
[1,4,3,2,5,6] => 4
[1,4,3,2,6,5] => 5
[1,4,3,5,2,6] => 5
[1,4,3,5,6,2] => 5
[1,4,3,6,2,5] => 7
[1,4,3,6,5,2] => 4
[1,4,5,2,3,6] => 4
[1,4,5,2,6,3] => 7
[1,4,5,3,2,6] => 3
[1,4,5,3,6,2] => 7
[1,4,5,6,2,3] => 5
[1,4,5,6,3,2] => 4
[1,4,6,2,3,5] => 6
[1,4,6,2,5,3] => 6
[1,4,6,3,2,5] => 5
[1,4,6,3,5,2] => 5
[1,4,6,5,2,3] => 3
[1,4,6,5,3,2] => 3
[1,5,2,3,4,6] => 7
[1,5,2,3,6,4] => 7
[1,5,2,4,3,6] => 7
[1,5,2,4,6,3] => 7
[1,5,2,6,3,4] => 7
[1,5,2,6,4,3] => 7
[1,5,3,2,4,6] => 6
[1,5,3,2,6,4] => 6
[1,5,3,4,2,6] => 6
[1,5,3,4,6,2] => 6
[1,5,3,6,2,4] => 7
[1,5,3,6,4,2] => 6
[1,5,4,2,3,6] => 5
[1,5,4,2,6,3] => 7
[1,5,4,3,2,6] => 5
[1,5,4,3,6,2] => 7
[1,5,4,6,2,3] => 6
[1,5,4,6,3,2] => 5
[1,5,6,2,3,4] => 5
[1,5,6,2,4,3] => 5
[1,5,6,3,2,4] => 4
[1,5,6,3,4,2] => 4
[1,5,6,4,2,3] => 3
[1,5,6,4,3,2] => 3
[1,6,2,3,4,5] => 9
[1,6,2,3,5,4] => 9
[1,6,2,4,3,5] => 9
[1,6,2,4,5,3] => 9
[1,6,2,5,3,4] => 9
[1,6,2,5,4,3] => 9
[1,6,3,2,4,5] => 8
[1,6,3,2,5,4] => 8
[1,6,3,4,2,5] => 8
[1,6,3,4,5,2] => 8
[1,6,3,5,2,4] => 8
[1,6,3,5,4,2] => 8
[1,6,4,2,3,5] => 7
[1,6,4,2,5,3] => 7
[1,6,4,3,2,5] => 7
[1,6,4,3,5,2] => 7
[1,6,4,5,2,3] => 7
[1,6,4,5,3,2] => 7
[1,6,5,2,3,4] => 6
[1,6,5,2,4,3] => 6
[1,6,5,3,2,4] => 6
[1,6,5,3,4,2] => 6
[1,6,5,4,2,3] => 6
[1,6,5,4,3,2] => 6
[2,1,3,4,5,6] => 1
[2,1,3,4,6,5] => 3
[2,1,3,5,4,6] => 3
[2,1,3,5,6,4] => 3
[2,1,3,6,4,5] => 5
[2,1,3,6,5,4] => 4
[2,1,4,3,5,6] => 4
[2,1,4,3,6,5] => 4
[2,1,4,5,3,6] => 3
[2,1,4,5,6,3] => 4
[2,1,4,6,3,5] => 5
[2,1,4,6,5,3] => 3
[2,1,5,3,4,6] => 6
[2,1,5,3,6,4] => 6
[2,1,5,4,3,6] => 5
[2,1,5,4,6,3] => 5
[2,1,5,6,3,4] => 4
[2,1,5,6,4,3] => 3
[2,1,6,3,4,5] => 8
[2,1,6,3,5,4] => 8
[2,1,6,4,3,5] => 7
[2,1,6,4,5,3] => 7
[2,1,6,5,3,4] => 6
[2,1,6,5,4,3] => 6
[2,3,1,4,5,6] => 3
[2,3,1,4,6,5] => 3
[2,3,1,5,4,6] => 5
[2,3,1,5,6,4] => 3
[2,3,1,6,4,5] => 7
[2,3,1,6,5,4] => 6
[2,3,4,1,5,6] => 4
[2,3,4,1,6,5] => 6
[2,3,4,5,1,6] => 5
[2,3,4,5,6,1] => 6
[2,3,4,6,1,5] => 7
[2,3,4,6,5,1] => 3
[2,3,5,1,4,6] => 6
[2,3,5,1,6,4] => 7
[2,3,5,4,1,6] => 3
[2,3,5,4,6,1] => 7
[2,3,5,6,1,4] => 6
[2,3,5,6,4,1] => 3
[2,3,6,1,4,5] => 8
[2,3,6,1,5,4] => 8
[2,3,6,4,1,5] => 5
[2,3,6,4,5,1] => 5
[2,3,6,5,1,4] => 4
[2,3,6,5,4,1] => 4
[2,4,1,3,5,6] => 5
[2,4,1,3,6,5] => 5
[2,4,1,5,3,6] => 6
[2,4,1,5,6,3] => 5
[2,4,1,6,3,5] => 8
[2,4,1,6,5,3] => 6
[2,4,3,1,5,6] => 3
[2,4,3,1,6,5] => 6
[2,4,3,5,1,6] => 6
[2,4,3,5,6,1] => 6
[2,4,3,6,1,5] => 8
[2,4,3,6,5,1] => 4
[2,4,5,1,3,6] => 5
[2,4,5,1,6,3] => 8
[2,4,5,3,1,6] => 3
[2,4,5,3,6,1] => 8
[2,4,5,6,1,3] => 6
[2,4,5,6,3,1] => 4
[2,4,6,1,3,5] => 7
[2,4,6,1,5,3] => 7
[2,4,6,3,1,5] => 5
[2,4,6,3,5,1] => 6
[2,4,6,5,1,3] => 3
[2,4,6,5,3,1] => 3
[2,5,1,3,4,6] => 7
[2,5,1,3,6,4] => 7
[2,5,1,4,3,6] => 7
[2,5,1,4,6,3] => 7
[2,5,1,6,3,4] => 8
[2,5,1,6,4,3] => 7
[2,5,3,1,4,6] => 5
[2,5,3,1,6,4] => 7
[2,5,3,4,1,6] => 5
[2,5,3,4,6,1] => 7
[2,5,3,6,1,4] => 8
[2,5,3,6,4,1] => 5
[2,5,4,1,3,6] => 4
[2,5,4,1,6,3] => 8
[2,5,4,3,1,6] => 4
[2,5,4,3,6,1] => 8
[2,5,4,6,1,3] => 7
[2,5,4,6,3,1] => 5
[2,5,6,1,3,4] => 6
[2,5,6,1,4,3] => 6
[2,5,6,3,1,4] => 4
[2,5,6,3,4,1] => 4
[2,5,6,4,1,3] => 3
[2,5,6,4,3,1] => 3
[2,6,1,3,4,5] => 9
[2,6,1,3,5,4] => 9
[2,6,1,4,3,5] => 9
[2,6,1,4,5,3] => 9
[2,6,1,5,3,4] => 9
[2,6,1,5,4,3] => 9
[2,6,3,1,4,5] => 7
[2,6,3,1,5,4] => 7
[2,6,3,4,1,5] => 7
[2,6,3,4,5,1] => 7
[2,6,3,5,1,4] => 7
[2,6,3,5,4,1] => 7
[2,6,4,1,3,5] => 6
[2,6,4,1,5,3] => 6
[2,6,4,3,1,5] => 6
[2,6,4,3,5,1] => 6
[2,6,4,5,1,3] => 6
[2,6,4,5,3,1] => 6
[2,6,5,1,3,4] => 5
[2,6,5,1,4,3] => 5
[2,6,5,3,1,4] => 5
[2,6,5,3,4,1] => 5
[2,6,5,4,1,3] => 5
[2,6,5,4,3,1] => 5
[3,1,2,4,5,6] => 1
[3,1,2,4,6,5] => 3
[3,1,2,5,4,6] => 4
[3,1,2,5,6,4] => 3
[3,1,2,6,4,5] => 6
[3,1,2,6,5,4] => 5
[3,1,4,2,5,6] => 5
[3,1,4,2,6,5] => 5
[3,1,4,5,2,6] => 4
[3,1,4,5,6,2] => 5
[3,1,4,6,2,5] => 6
[3,1,4,6,5,2] => 3
[3,1,5,2,4,6] => 7
[3,1,5,2,6,4] => 7
[3,1,5,4,2,6] => 5
[3,1,5,4,6,2] => 6
[3,1,5,6,2,4] => 5
[3,1,5,6,4,2] => 3
[3,1,6,2,4,5] => 9
[3,1,6,2,5,4] => 9
[3,1,6,4,2,5] => 7
[3,1,6,4,5,2] => 7
[3,1,6,5,2,4] => 6
[3,1,6,5,4,2] => 6
[3,2,1,4,5,6] => 2
[3,2,1,4,6,5] => 3
[3,2,1,5,4,6] => 5
[3,2,1,5,6,4] => 3
[3,2,1,6,4,5] => 7
[3,2,1,6,5,4] => 6
[3,2,4,1,5,6] => 5
[3,2,4,1,6,5] => 6
[3,2,4,5,1,6] => 5
[3,2,4,5,6,1] => 6
[3,2,4,6,1,5] => 7
[3,2,4,6,5,1] => 3
[3,2,5,1,4,6] => 7
[3,2,5,1,6,4] => 7
[3,2,5,4,1,6] => 4
[3,2,5,4,6,1] => 7
[3,2,5,6,1,4] => 6
[3,2,5,6,4,1] => 3
[3,2,6,1,4,5] => 9
[3,2,6,1,5,4] => 9
[3,2,6,4,1,5] => 6
[3,2,6,4,5,1] => 6
[3,2,6,5,1,4] => 5
[3,2,6,5,4,1] => 5
[3,4,1,2,5,6] => 4
[3,4,1,2,6,5] => 5
[3,4,1,5,2,6] => 7
[3,4,1,5,6,2] => 5
[3,4,1,6,2,5] => 9
[3,4,1,6,5,2] => 6
[3,4,2,1,5,6] => 3
[3,4,2,1,6,5] => 6
[3,4,2,5,1,6] => 7
[3,4,2,5,6,1] => 6
[3,4,2,6,1,5] => 9
[3,4,2,6,5,1] => 5
[3,4,5,1,2,6] => 5
[3,4,5,1,6,2] => 9
[3,4,5,2,1,6] => 4
[3,4,5,2,6,1] => 9
[3,4,5,6,1,2] => 6
[3,4,5,6,2,1] => 5
[3,4,6,1,2,5] => 7
[3,4,6,1,5,2] => 7
[3,4,6,2,1,5] => 6
[3,4,6,2,5,1] => 7
[3,4,6,5,1,2] => 3
[3,4,6,5,2,1] => 3
[3,5,1,2,4,6] => 6
[3,5,1,2,6,4] => 6
[3,5,1,4,2,6] => 6
[3,5,1,4,6,2] => 6
[3,5,1,6,2,4] => 9
[3,5,1,6,4,2] => 7
[3,5,2,1,4,6] => 5
[3,5,2,1,6,4] => 7
[3,5,2,4,1,6] => 5
[3,5,2,4,6,1] => 7
[3,5,2,6,1,4] => 9
[3,5,2,6,4,1] => 6
[3,5,4,1,2,6] => 3
[3,5,4,1,6,2] => 9
[3,5,4,2,1,6] => 3
[3,5,4,2,6,1] => 9
[3,5,4,6,1,2] => 7
[3,5,4,6,2,1] => 6
[3,5,6,1,2,4] => 6
[3,5,6,1,4,2] => 6
[3,5,6,2,1,4] => 5
[3,5,6,2,4,1] => 5
[3,5,6,4,1,2] => 3
[3,5,6,4,2,1] => 3
[3,6,1,2,4,5] => 8
[3,6,1,2,5,4] => 8
[3,6,1,4,2,5] => 8
[3,6,1,4,5,2] => 8
[3,6,1,5,2,4] => 8
[3,6,1,5,4,2] => 8
[3,6,2,1,4,5] => 7
[3,6,2,1,5,4] => 7
[3,6,2,4,1,5] => 7
[3,6,2,4,5,1] => 7
[3,6,2,5,1,4] => 7
[3,6,2,5,4,1] => 7
[3,6,4,1,2,5] => 5
[3,6,4,1,5,2] => 7
[3,6,4,2,1,5] => 5
[3,6,4,2,5,1] => 7
[3,6,4,5,1,2] => 5
[3,6,4,5,2,1] => 5
[3,6,5,1,2,4] => 4
[3,6,5,1,4,2] => 5
[3,6,5,2,1,4] => 4
[3,6,5,2,4,1] => 5
[3,6,5,4,1,2] => 4
[3,6,5,4,2,1] => 4
[4,1,2,3,5,6] => 1
[4,1,2,3,6,5] => 4
[4,1,2,5,3,6] => 5
[4,1,2,5,6,3] => 4
[4,1,2,6,3,5] => 7
[4,1,2,6,5,3] => 5
[4,1,3,2,5,6] => 3
[4,1,3,2,6,5] => 5
[4,1,3,5,2,6] => 5
[4,1,3,5,6,2] => 5
[4,1,3,6,2,5] => 7
[4,1,3,6,5,2] => 4
[4,1,5,2,3,6] => 7
[4,1,5,2,6,3] => 7
[4,1,5,3,2,6] => 6
[4,1,5,3,6,2] => 7
[4,1,5,6,2,3] => 5
[4,1,5,6,3,2] => 4
[4,1,6,2,3,5] => 9
[4,1,6,2,5,3] => 9
[4,1,6,3,2,5] => 8
[4,1,6,3,5,2] => 8
[4,1,6,5,2,3] => 6
[4,1,6,5,3,2] => 6
[4,2,1,3,5,6] => 1
[4,2,1,3,6,5] => 4
[4,2,1,5,3,6] => 6
[4,2,1,5,6,3] => 4
[4,2,1,6,3,5] => 8
[4,2,1,6,5,3] => 6
[4,2,3,1,5,6] => 3
[4,2,3,1,6,5] => 6
[4,2,3,5,1,6] => 6
[4,2,3,5,6,1] => 6
[4,2,3,6,1,5] => 8
[4,2,3,6,5,1] => 4
[4,2,5,1,3,6] => 7
[4,2,5,1,6,3] => 8
[4,2,5,3,1,6] => 5
[4,2,5,3,6,1] => 8
[4,2,5,6,1,3] => 6
[4,2,5,6,3,1] => 4
[4,2,6,1,3,5] => 9
[4,2,6,1,5,3] => 9
[4,2,6,3,1,5] => 7
[4,2,6,3,5,1] => 7
[4,2,6,5,1,3] => 5
[4,2,6,5,3,1] => 5
[4,3,1,2,5,6] => 2
[4,3,1,2,6,5] => 5
[4,3,1,5,2,6] => 7
[4,3,1,5,6,2] => 5
[4,3,1,6,2,5] => 9
[4,3,1,6,5,2] => 6
[4,3,2,1,5,6] => 3
[4,3,2,1,6,5] => 6
[4,3,2,5,1,6] => 7
[4,3,2,5,6,1] => 6
[4,3,2,6,1,5] => 9
[4,3,2,6,5,1] => 5
[4,3,5,1,2,6] => 6
[4,3,5,1,6,2] => 9
[4,3,5,2,1,6] => 5
[4,3,5,2,6,1] => 9
[4,3,5,6,1,2] => 6
[4,3,5,6,2,1] => 5
[4,3,6,1,2,5] => 8
[4,3,6,1,5,2] => 8
[4,3,6,2,1,5] => 7
[4,3,6,2,5,1] => 7
[4,3,6,5,1,2] => 4
[4,3,6,5,2,1] => 4
[4,5,1,2,3,6] => 5
[4,5,1,2,6,3] => 7
[4,5,1,3,2,6] => 5
[4,5,1,3,6,2] => 7
[4,5,1,6,2,3] => 9
[4,5,1,6,3,2] => 8
[4,5,2,1,3,6] => 4
[4,5,2,1,6,3] => 8
[4,5,2,3,1,6] => 4
[4,5,2,3,6,1] => 8
[4,5,2,6,1,3] => 9
[4,5,2,6,3,1] => 7
[4,5,3,1,2,6] => 3
[4,5,3,1,6,2] => 9
[4,5,3,2,1,6] => 3
[4,5,3,2,6,1] => 9
[4,5,3,6,1,2] => 8
[4,5,3,6,2,1] => 7
[4,5,6,1,2,3] => 6
[4,5,6,1,3,2] => 6
[4,5,6,2,1,3] => 5
[4,5,6,2,3,1] => 5
[4,5,6,3,1,2] => 4
[4,5,6,3,2,1] => 4
[4,6,1,2,3,5] => 7
[4,6,1,2,5,3] => 7
[4,6,1,3,2,5] => 7
[4,6,1,3,5,2] => 7
[4,6,1,5,2,3] => 7
[4,6,1,5,3,2] => 7
[4,6,2,1,3,5] => 6
[4,6,2,1,5,3] => 6
[4,6,2,3,1,5] => 6
[4,6,2,3,5,1] => 6
[4,6,2,5,1,3] => 7
[4,6,2,5,3,1] => 6
[4,6,3,1,2,5] => 5
[4,6,3,1,5,2] => 7
[4,6,3,2,1,5] => 5
[4,6,3,2,5,1] => 7
[4,6,3,5,1,2] => 6
[4,6,3,5,2,1] => 5
[4,6,5,1,2,3] => 3
[4,6,5,1,3,2] => 3
[4,6,5,2,1,3] => 3
[4,6,5,2,3,1] => 3
[4,6,5,3,1,2] => 3
[4,6,5,3,2,1] => 3
[5,1,2,3,4,6] => 0
[5,1,2,3,6,4] => 5
[5,1,2,4,3,6] => 3
[5,1,2,4,6,3] => 5
[5,1,2,6,3,4] => 7
[5,1,2,6,4,3] => 6
[5,1,3,2,4,6] => 3
[5,1,3,2,6,4] => 6
[5,1,3,4,2,6] => 3
[5,1,3,4,6,2] => 6
[5,1,3,6,2,4] => 7
[5,1,3,6,4,2] => 5
[5,1,4,2,3,6] => 5
[5,1,4,2,6,3] => 7
[5,1,4,3,2,6] => 4
[5,1,4,3,6,2] => 7
[5,1,4,6,2,3] => 6
[5,1,4,6,3,2] => 5
[5,1,6,2,3,4] => 9
[5,1,6,2,4,3] => 9
[5,1,6,3,2,4] => 8
[5,1,6,3,4,2] => 8
[5,1,6,4,2,3] => 7
[5,1,6,4,3,2] => 7
[5,2,1,3,4,6] => 1
[5,2,1,3,6,4] => 5
[5,2,1,4,3,6] => 4
[5,2,1,4,6,3] => 5
[5,2,1,6,3,4] => 8
[5,2,1,6,4,3] => 7
[5,2,3,1,4,6] => 3
[5,2,3,1,6,4] => 7
[5,2,3,4,1,6] => 4
[5,2,3,4,6,1] => 7
[5,2,3,6,1,4] => 8
[5,2,3,6,4,1] => 5
[5,2,4,1,3,6] => 5
[5,2,4,1,6,3] => 8
[5,2,4,3,1,6] => 3
[5,2,4,3,6,1] => 8
[5,2,4,6,1,3] => 7
[5,2,4,6,3,1] => 5
[5,2,6,1,3,4] => 9
[5,2,6,1,4,3] => 9
[5,2,6,3,1,4] => 7
[5,2,6,3,4,1] => 7
[5,2,6,4,1,3] => 6
[5,2,6,4,3,1] => 6
[5,3,1,2,4,6] => 0
[5,3,1,2,6,4] => 6
[5,3,1,4,2,6] => 5
[5,3,1,4,6,2] => 6
[5,3,1,6,2,4] => 9
[5,3,1,6,4,2] => 7
[5,3,2,1,4,6] => 1
[5,3,2,1,6,4] => 7
[5,3,2,4,1,6] => 5
[5,3,2,4,6,1] => 7
[5,3,2,6,1,4] => 9
[5,3,2,6,4,1] => 6
[5,3,4,1,2,6] => 4
[5,3,4,1,6,2] => 9
[5,3,4,2,1,6] => 3
[5,3,4,2,6,1] => 9
[5,3,4,6,1,2] => 7
[5,3,4,6,2,1] => 6
[5,3,6,1,2,4] => 8
[5,3,6,1,4,2] => 8
[5,3,6,2,1,4] => 7
[5,3,6,2,4,1] => 7
[5,3,6,4,1,2] => 5
[5,3,6,4,2,1] => 5
[5,4,1,2,3,6] => 2
[5,4,1,2,6,3] => 7
[5,4,1,3,2,6] => 3
[5,4,1,3,6,2] => 7
[5,4,1,6,2,3] => 9
[5,4,1,6,3,2] => 8
[5,4,2,1,3,6] => 1
[5,4,2,1,6,3] => 8
[5,4,2,3,1,6] => 3
[5,4,2,3,6,1] => 8
[5,4,2,6,1,3] => 9
[5,4,2,6,3,1] => 7
[5,4,3,1,2,6] => 1
[5,4,3,1,6,2] => 9
[5,4,3,2,1,6] => 0
[5,4,3,2,6,1] => 9
[5,4,3,6,1,2] => 8
[5,4,3,6,2,1] => 7
[5,4,6,1,2,3] => 7
[5,4,6,1,3,2] => 7
[5,4,6,2,1,3] => 6
[5,4,6,2,3,1] => 6
[5,4,6,3,1,2] => 5
[5,4,6,3,2,1] => 5
[5,6,1,2,3,4] => 6
[5,6,1,2,4,3] => 6
[5,6,1,3,2,4] => 6
[5,6,1,3,4,2] => 6
[5,6,1,4,2,3] => 6
[5,6,1,4,3,2] => 6
[5,6,2,1,3,4] => 5
[5,6,2,1,4,3] => 5
[5,6,2,3,1,4] => 5
[5,6,2,3,4,1] => 5
[5,6,2,4,1,3] => 5
[5,6,2,4,3,1] => 5
[5,6,3,1,2,4] => 4
[5,6,3,1,4,2] => 5
[5,6,3,2,1,4] => 4
[5,6,3,2,4,1] => 5
[5,6,3,4,1,2] => 4
[5,6,3,4,2,1] => 4
[5,6,4,1,2,3] => 3
[5,6,4,1,3,2] => 3
[5,6,4,2,1,3] => 3
[5,6,4,2,3,1] => 3
[5,6,4,3,1,2] => 3
[5,6,4,3,2,1] => 3
[6,1,2,3,4,5] => 0
[6,1,2,3,5,4] => 3
[6,1,2,4,3,5] => 3
[6,1,2,4,5,3] => 3
[6,1,2,5,3,4] => 5
[6,1,2,5,4,3] => 4
[6,1,3,2,4,5] => 3
[6,1,3,2,5,4] => 4
[6,1,3,4,2,5] => 3
[6,1,3,4,5,2] => 4
[6,1,3,5,2,4] => 5
[6,1,3,5,4,2] => 3
[6,1,4,2,3,5] => 5
[6,1,4,2,5,3] => 5
[6,1,4,3,2,5] => 4
[6,1,4,3,5,2] => 5
[6,1,4,5,2,3] => 4
[6,1,4,5,3,2] => 3
[6,1,5,2,3,4] => 7
[6,1,5,2,4,3] => 7
[6,1,5,3,2,4] => 6
[6,1,5,3,4,2] => 6
[6,1,5,4,2,3] => 5
[6,1,5,4,3,2] => 5
[6,2,1,3,4,5] => 1
[6,2,1,3,5,4] => 3
[6,2,1,4,3,5] => 4
[6,2,1,4,5,3] => 3
[6,2,1,5,3,4] => 6
[6,2,1,5,4,3] => 5
[6,2,3,1,4,5] => 3
[6,2,3,1,5,4] => 5
[6,2,3,4,1,5] => 4
[6,2,3,4,5,1] => 5
[6,2,3,5,1,4] => 6
[6,2,3,5,4,1] => 3
[6,2,4,1,3,5] => 5
[6,2,4,1,5,3] => 6
[6,2,4,3,1,5] => 3
[6,2,4,3,5,1] => 6
[6,2,4,5,1,3] => 5
[6,2,4,5,3,1] => 3
[6,2,5,1,3,4] => 7
[6,2,5,1,4,3] => 7
[6,2,5,3,1,4] => 5
[6,2,5,3,4,1] => 5
[6,2,5,4,1,3] => 4
[6,2,5,4,3,1] => 4
[6,3,1,2,4,5] => 1
[6,3,1,2,5,4] => 4
[6,3,1,4,2,5] => 5
[6,3,1,4,5,2] => 4
[6,3,1,5,2,4] => 7
[6,3,1,5,4,2] => 5
[6,3,2,1,4,5] => 2
[6,3,2,1,5,4] => 5
[6,3,2,4,1,5] => 5
[6,3,2,4,5,1] => 5
[6,3,2,5,1,4] => 7
[6,3,2,5,4,1] => 4
[6,3,4,1,2,5] => 4
[6,3,4,1,5,2] => 7
[6,3,4,2,1,5] => 3
[6,3,4,2,5,1] => 7
[6,3,4,5,1,2] => 5
[6,3,4,5,2,1] => 4
[6,3,5,1,2,4] => 6
[6,3,5,1,4,2] => 6
[6,3,5,2,1,4] => 5
[6,3,5,2,4,1] => 5
[6,3,5,4,1,2] => 3
[6,3,5,4,2,1] => 3
[6,4,1,2,3,5] => 1
[6,4,1,2,5,3] => 5
[6,4,1,3,2,5] => 3
[6,4,1,3,5,2] => 5
[6,4,1,5,2,3] => 7
[6,4,1,5,3,2] => 6
[6,4,2,1,3,5] => 0
[6,4,2,1,5,3] => 6
[6,4,2,3,1,5] => 3
[6,4,2,3,5,1] => 6
[6,4,2,5,1,3] => 7
[6,4,2,5,3,1] => 5
[6,4,3,1,2,5] => 1
[6,4,3,1,5,2] => 7
[6,4,3,2,1,5] => 0
[6,4,3,2,5,1] => 7
[6,4,3,5,1,2] => 6
[6,4,3,5,2,1] => 5
[6,4,5,1,2,3] => 5
[6,4,5,1,3,2] => 5
[6,4,5,2,1,3] => 4
[6,4,5,2,3,1] => 4
[6,4,5,3,1,2] => 3
[6,4,5,3,2,1] => 3
[6,5,1,2,3,4] => 3
[6,5,1,2,4,3] => 3
[6,5,1,3,2,4] => 3
[6,5,1,3,4,2] => 3
[6,5,1,4,2,3] => 5
[6,5,1,4,3,2] => 4
[6,5,2,1,3,4] => 2
[6,5,2,1,4,3] => 4
[6,5,2,3,1,4] => 3
[6,5,2,3,4,1] => 4
[6,5,2,4,1,3] => 5
[6,5,2,4,3,1] => 3
[6,5,3,1,2,4] => 1
[6,5,3,1,4,2] => 5
[6,5,3,2,1,4] => 1
[6,5,3,2,4,1] => 5
[6,5,3,4,1,2] => 4
[6,5,3,4,2,1] => 3
[6,5,4,1,2,3] => 2
[6,5,4,1,3,2] => 3
[6,5,4,2,1,3] => 1
[6,5,4,2,3,1] => 3
[6,5,4,3,1,2] => 1
[6,5,4,3,2,1] => 0
[1,2,3,4,5,6,7] => 0
[1,2,3,4,5,7,6] => 3
[1,2,3,4,6,5,7] => 3
[1,2,3,4,6,7,5] => 3
[1,2,3,4,7,5,6] => 5
[1,2,3,4,7,6,5] => 4
[1,2,3,5,4,6,7] => 3
[1,2,3,5,4,7,6] => 4
[1,2,3,5,6,4,7] => 3
[1,2,3,5,6,7,4] => 4
[1,2,3,5,7,4,6] => 5
[1,2,3,5,7,6,4] => 3
[1,2,3,6,4,5,7] => 5
[1,2,3,6,4,7,5] => 5
[1,2,3,6,5,4,7] => 4
[1,2,3,6,5,7,4] => 5
[1,2,3,6,7,4,5] => 4
[1,2,3,6,7,5,4] => 3
[1,2,3,7,4,5,6] => 7
[1,2,3,7,4,6,5] => 7
[1,2,3,7,5,4,6] => 6
[1,2,3,7,5,6,4] => 6
[1,2,3,7,6,4,5] => 5
[1,2,3,7,6,5,4] => 5
[1,2,4,3,5,6,7] => 3
[1,2,4,3,5,7,6] => 3
[1,2,4,3,6,5,7] => 4
[1,2,4,3,6,7,5] => 3
[1,2,4,3,7,5,6] => 6
[1,2,4,3,7,6,5] => 5
[1,2,4,5,3,6,7] => 3
[1,2,4,5,3,7,6] => 5
[1,2,4,5,6,3,7] => 4
[1,2,4,5,6,7,3] => 5
[1,2,4,5,7,3,6] => 6
[1,2,4,5,7,6,3] => 3
[1,2,4,6,3,5,7] => 5
[1,2,4,6,3,7,5] => 6
[1,2,4,6,5,3,7] => 3
[1,2,4,6,5,7,3] => 6
[1,2,4,6,7,3,5] => 5
[1,2,4,6,7,5,3] => 3
[1,2,4,7,3,5,6] => 7
[1,2,4,7,3,6,5] => 7
[1,2,4,7,5,3,6] => 5
[1,2,4,7,5,6,3] => 5
[1,2,4,7,6,3,5] => 4
[1,2,4,7,6,5,3] => 4
[1,2,5,3,4,6,7] => 5
[1,2,5,3,4,7,6] => 5
[1,2,5,3,6,4,7] => 5
[1,2,5,3,6,7,4] => 5
[1,2,5,3,7,4,6] => 7
[1,2,5,3,7,6,4] => 5
[1,2,5,4,3,6,7] => 4
[1,2,5,4,3,7,6] => 5
[1,2,5,4,6,3,7] => 5
[1,2,5,4,6,7,3] => 5
[1,2,5,4,7,3,6] => 7
[1,2,5,4,7,6,3] => 4
[1,2,5,6,3,4,7] => 4
[1,2,5,6,3,7,4] => 7
[1,2,5,6,4,3,7] => 3
[1,2,5,6,4,7,3] => 7
[1,2,5,6,7,3,4] => 5
[1,2,5,6,7,4,3] => 4
[1,2,5,7,3,4,6] => 6
[1,2,5,7,3,6,4] => 6
[1,2,5,7,4,3,6] => 5
[1,2,5,7,4,6,3] => 5
[1,2,5,7,6,3,4] => 3
[1,2,5,7,6,4,3] => 3
[1,2,6,3,4,5,7] => 7
[1,2,6,3,4,7,5] => 7
[1,2,6,3,5,4,7] => 7
[1,2,6,3,5,7,4] => 7
[1,2,6,3,7,4,5] => 7
[1,2,6,3,7,5,4] => 7
[1,2,6,4,3,5,7] => 6
[1,2,6,4,3,7,5] => 6
[1,2,6,4,5,3,7] => 6
[1,2,6,4,5,7,3] => 6
[1,2,6,4,7,3,5] => 7
[1,2,6,4,7,5,3] => 6
[1,2,6,5,3,4,7] => 5
[1,2,6,5,3,7,4] => 7
[1,2,6,5,4,3,7] => 5
[1,2,6,5,4,7,3] => 7
[1,2,6,5,7,3,4] => 6
[1,2,6,5,7,4,3] => 5
[1,2,6,7,3,4,5] => 5
[1,2,6,7,3,5,4] => 5
[1,2,6,7,4,3,5] => 4
[1,2,6,7,4,5,3] => 4
[1,2,6,7,5,3,4] => 3
[1,2,6,7,5,4,3] => 3
[1,2,7,3,4,5,6] => 9
[1,2,7,3,4,6,5] => 9
[1,2,7,3,5,4,6] => 9
[1,2,7,3,5,6,4] => 9
[1,2,7,3,6,4,5] => 9
[1,2,7,3,6,5,4] => 9
[1,2,7,4,3,5,6] => 8
[1,2,7,4,3,6,5] => 8
[1,2,7,4,5,3,6] => 8
[1,2,7,4,5,6,3] => 8
[1,2,7,4,6,3,5] => 8
[1,2,7,4,6,5,3] => 8
[1,2,7,5,3,4,6] => 7
[1,2,7,5,3,6,4] => 7
[1,2,7,5,4,3,6] => 7
[1,2,7,5,4,6,3] => 7
[1,2,7,5,6,3,4] => 7
[1,2,7,5,6,4,3] => 7
[1,2,7,6,3,4,5] => 6
[1,2,7,6,3,5,4] => 6
[1,2,7,6,4,3,5] => 6
[1,2,7,6,4,5,3] => 6
[1,2,7,6,5,3,4] => 6
[1,2,7,6,5,4,3] => 6
[1,3,2,4,5,6,7] => 3
[1,3,2,4,5,7,6] => 3
[1,3,2,4,6,5,7] => 3
[1,3,2,4,6,7,5] => 3
[1,3,2,4,7,5,6] => 5
[1,3,2,4,7,6,5] => 4
[1,3,2,5,4,6,7] => 4
[1,3,2,5,4,7,6] => 4
[1,3,2,5,6,4,7] => 3
[1,3,2,5,6,7,4] => 4
[1,3,2,5,7,4,6] => 5
[1,3,2,5,7,6,4] => 3
[1,3,2,6,4,5,7] => 6
[1,3,2,6,4,7,5] => 6
[1,3,2,6,5,4,7] => 5
[1,3,2,6,5,7,4] => 5
[1,3,2,6,7,4,5] => 4
[1,3,2,6,7,5,4] => 3
[1,3,2,7,4,5,6] => 8
[1,3,2,7,4,6,5] => 8
[1,3,2,7,5,4,6] => 7
[1,3,2,7,5,6,4] => 7
[1,3,2,7,6,4,5] => 6
[1,3,2,7,6,5,4] => 6
[1,3,4,2,5,6,7] => 3
[1,3,4,2,5,7,6] => 3
[1,3,4,2,6,5,7] => 5
[1,3,4,2,6,7,5] => 3
[1,3,4,2,7,5,6] => 7
[1,3,4,2,7,6,5] => 6
[1,3,4,5,2,6,7] => 4
[1,3,4,5,2,7,6] => 6
[1,3,4,5,6,2,7] => 5
[1,3,4,5,6,7,2] => 6
[1,3,4,5,7,2,6] => 7
[1,3,4,5,7,6,2] => 3
[1,3,4,6,2,5,7] => 6
[1,3,4,6,2,7,5] => 7
[1,3,4,6,5,2,7] => 3
[1,3,4,6,5,7,2] => 7
[1,3,4,6,7,2,5] => 6
[1,3,4,6,7,5,2] => 3
[1,3,4,7,2,5,6] => 8
[1,3,4,7,2,6,5] => 8
[1,3,4,7,5,2,6] => 5
[1,3,4,7,5,6,2] => 5
[1,3,4,7,6,2,5] => 4
[1,3,4,7,6,5,2] => 4
[1,3,5,2,4,6,7] => 5
[1,3,5,2,4,7,6] => 5
[1,3,5,2,6,4,7] => 6
[1,3,5,2,6,7,4] => 5
[1,3,5,2,7,4,6] => 8
[1,3,5,2,7,6,4] => 6
[1,3,5,4,2,6,7] => 3
[1,3,5,4,2,7,6] => 6
[1,3,5,4,6,2,7] => 6
[1,3,5,4,6,7,2] => 6
[1,3,5,4,7,2,6] => 8
[1,3,5,4,7,6,2] => 4
[1,3,5,6,2,4,7] => 5
[1,3,5,6,2,7,4] => 8
[1,3,5,6,4,2,7] => 3
[1,3,5,6,4,7,2] => 8
[1,3,5,6,7,2,4] => 6
[1,3,5,6,7,4,2] => 4
[1,3,5,7,2,4,6] => 7
[1,3,5,7,2,6,4] => 7
[1,3,5,7,4,2,6] => 5
[1,3,5,7,4,6,2] => 6
[1,3,5,7,6,2,4] => 3
[1,3,5,7,6,4,2] => 3
[1,3,6,2,4,5,7] => 7
[1,3,6,2,4,7,5] => 7
[1,3,6,2,5,4,7] => 7
[1,3,6,2,5,7,4] => 7
[1,3,6,2,7,4,5] => 8
[1,3,6,2,7,5,4] => 7
[1,3,6,4,2,5,7] => 5
[1,3,6,4,2,7,5] => 7
[1,3,6,4,5,2,7] => 5
[1,3,6,4,5,7,2] => 7
[1,3,6,4,7,2,5] => 8
[1,3,6,4,7,5,2] => 5
[1,3,6,5,2,4,7] => 4
[1,3,6,5,2,7,4] => 8
[1,3,6,5,4,2,7] => 4
[1,3,6,5,4,7,2] => 8
[1,3,6,5,7,2,4] => 7
[1,3,6,5,7,4,2] => 5
[1,3,6,7,2,4,5] => 6
[1,3,6,7,2,5,4] => 6
[1,3,6,7,4,2,5] => 4
[1,3,6,7,4,5,2] => 4
[1,3,6,7,5,2,4] => 3
[1,3,6,7,5,4,2] => 3
[1,3,7,2,4,5,6] => 9
[1,3,7,2,4,6,5] => 9
[1,3,7,2,5,4,6] => 9
[1,3,7,2,5,6,4] => 9
[1,3,7,2,6,4,5] => 9
[1,3,7,2,6,5,4] => 9
[1,3,7,4,2,5,6] => 7
[1,3,7,4,2,6,5] => 7
[1,3,7,4,5,2,6] => 7
[1,3,7,4,5,6,2] => 7
[1,3,7,4,6,2,5] => 7
[1,3,7,4,6,5,2] => 7
[1,3,7,5,2,4,6] => 6
[1,3,7,5,2,6,4] => 6
[1,3,7,5,4,2,6] => 6
[1,3,7,5,4,6,2] => 6
[1,3,7,5,6,2,4] => 6
[1,3,7,5,6,4,2] => 6
[1,3,7,6,2,4,5] => 5
[1,3,7,6,2,5,4] => 5
[1,3,7,6,4,2,5] => 5
[1,3,7,6,4,5,2] => 5
[1,3,7,6,5,2,4] => 5
[1,3,7,6,5,4,2] => 5
[1,4,2,3,5,6,7] => 5
[1,4,2,3,5,7,6] => 5
[1,4,2,3,6,5,7] => 5
[1,4,2,3,6,7,5] => 5
[1,4,2,3,7,5,6] => 6
[1,4,2,3,7,6,5] => 5
[1,4,2,5,3,6,7] => 5
[1,4,2,5,3,7,6] => 5
[1,4,2,5,6,3,7] => 5
[1,4,2,5,6,7,3] => 5
[1,4,2,5,7,3,6] => 6
[1,4,2,5,7,6,3] => 5
[1,4,2,6,3,5,7] => 7
[1,4,2,6,3,7,5] => 7
[1,4,2,6,5,3,7] => 5
[1,4,2,6,5,7,3] => 6
[1,4,2,6,7,3,5] => 5
[1,4,2,6,7,5,3] => 5
[1,4,2,7,3,5,6] => 9
[1,4,2,7,3,6,5] => 9
[1,4,2,7,5,3,6] => 7
[1,4,2,7,5,6,3] => 7
[1,4,2,7,6,3,5] => 6
[1,4,2,7,6,5,3] => 6
[1,4,3,2,5,6,7] => 4
[1,4,3,2,5,7,6] => 4
[1,4,3,2,6,5,7] => 5
[1,4,3,2,6,7,5] => 4
[1,4,3,2,7,5,6] => 7
[1,4,3,2,7,6,5] => 6
[1,4,3,5,2,6,7] => 5
[1,4,3,5,2,7,6] => 6
[1,4,3,5,6,2,7] => 5
[1,4,3,5,6,7,2] => 6
[1,4,3,5,7,2,6] => 7
[1,4,3,5,7,6,2] => 4
[1,4,3,6,2,5,7] => 7
[1,4,3,6,2,7,5] => 7
[1,4,3,6,5,2,7] => 4
[1,4,3,6,5,7,2] => 7
[1,4,3,6,7,2,5] => 6
[1,4,3,6,7,5,2] => 4
[1,4,3,7,2,5,6] => 9
[1,4,3,7,2,6,5] => 9
[1,4,3,7,5,2,6] => 6
[1,4,3,7,5,6,2] => 6
[1,4,3,7,6,2,5] => 5
[1,4,3,7,6,5,2] => 5
[1,4,5,2,3,6,7] => 4
[1,4,5,2,3,7,6] => 5
[1,4,5,2,6,3,7] => 7
[1,4,5,2,6,7,3] => 5
[1,4,5,2,7,3,6] => 9
[1,4,5,2,7,6,3] => 6
[1,4,5,3,2,6,7] => 3
[1,4,5,3,2,7,6] => 6
[1,4,5,3,6,2,7] => 7
[1,4,5,3,6,7,2] => 6
[1,4,5,3,7,2,6] => 9
[1,4,5,3,7,6,2] => 5
[1,4,5,6,2,3,7] => 5
[1,4,5,6,2,7,3] => 9
[1,4,5,6,3,2,7] => 4
[1,4,5,6,3,7,2] => 9
[1,4,5,6,7,2,3] => 6
[1,4,5,6,7,3,2] => 5
[1,4,5,7,2,3,6] => 7
[1,4,5,7,2,6,3] => 7
[1,4,5,7,3,2,6] => 6
[1,4,5,7,3,6,2] => 7
[1,4,5,7,6,2,3] => 3
[1,4,5,7,6,3,2] => 3
[1,4,6,2,3,5,7] => 6
[1,4,6,2,3,7,5] => 6
[1,4,6,2,5,3,7] => 6
[1,4,6,2,5,7,3] => 6
[1,4,6,2,7,3,5] => 9
[1,4,6,2,7,5,3] => 7
[1,4,6,3,2,5,7] => 5
[1,4,6,3,2,7,5] => 7
[1,4,6,3,5,2,7] => 5
[1,4,6,3,5,7,2] => 7
[1,4,6,3,7,2,5] => 9
[1,4,6,3,7,5,2] => 6
[1,4,6,5,2,3,7] => 3
[1,4,6,5,2,7,3] => 9
[1,4,6,5,3,2,7] => 3
[1,4,6,5,3,7,2] => 9
click to show generating function       
Description
The convexity of a permutation.
It is given by the maximal value of $2x_i-x_{i-1}-x_{i+1}$ over all $i \in \{2,\ldots,n-1\}$.
References
[1] Coscia, C., DeWitt, J. Locally Convex Words and Permutations arXiv:1410.7818
Code
def statistic(x):
    return max([0] +[2*x[i]-x[i-1]-x[i+1] for i in range(1, len(x)-1)])
Created
Oct 30, 2014 at 07:58 by Christian Stump
Updated
May 29, 2015 at 17:23 by Martin Rubey