21.0.9+10-LTS
n=12 [1, 2, 0, 5, 6, 3, 10, 4, 11, 9, 7, 8]
n=24 [20, 10, 21, 11, 22, 9, 12, 23, 13, 7, 14, 8, 15, 16, 17, 18, 19, 1, 2, 0, 5, 6, 3, 4]
split names [c3, c20, c31, c42, c53, c64, c75, c86, c97, c110, c121, c132]
split=8 [0, 1, 2, 3, 4, 5, 6, 7]
split=9 [1, 2, 3, 4, 5, 6, 7, 8, 0]
split=10 [2, 4, 6, 8, 1, 3, 5, 7, 9, 0]
split=11 [2, 4, 6, 8, 10, 1, 3, 5, 7, 9, 0]
split=12 [2, 4, 6, 8, 10, 1, 3, 5, 7, 9, 11, 0]
equal=8 [0, 1, 2, 3, 4, 5, 6, 7]
equal=9 [0, 1, 2, 3, 4, 5, 6, 7, 8]
equal=10 [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
equal=11 [1, 0, 2, 3, 4, 5, 6, 7, 8, 9, 10]
equal=12 [1, 0, 2, 3, 4, 5, 6, 7, 11, 8, 9, 10]
