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