(0 8 6)(1 5 3)(2 20 16)(4 12 10)(7 19 9)(11 15 13)(14 18 17)
ALLOWS (11/8)-SEQUENCE
1: (0 8 17)
(0 14 18 17 6)(1 5 3)(2 20 16)(4 12 10)(7 19 9)(8)(11 15 13)
2: (7 19 9)
(0 14 18 17 6)(1 5 3)(2 20 16)(4 12 10)(7)(8)(9)(11 15 13)(19)
3: (2 20 16)
(0 14 18 17 6)(1 5 3)(2)(4 12 10)(7)(8)(9)(11 15 13)(16)(19)(20)
4: (0 14 6)
(0)(1 5 3)(2)(4 12 10)(6 18 17)(7)(8)(9)(11 15 13)(14)(16)(19)(20)