(0 20 19)(1 18 8 6 3)(2 16 12 5 4)(7 11 9)(10 15 13)(14 21 17)
ALLOWS (11/8)-SEQUENCE
1: (0 2 16)
(0 12 5 4 2 20 19)(1 18 8 6 3)(7 11 9)(10 15 13)(14 21 17)(16)
2: (1 18 8)
(0 12 5 4 2 20 19)(1 6 3)(7 11 9)(8)(10 15 13)(14 21 17)(16)(18)
3: (14 21 17)
(0 12 5 4 2 20 19)(1 6 3)(7 11 9)(8)(10 15 13)(14)(16)(17)(18)(21)
4: (2 20 12)
(0 12 19)(1 6 3)(2 5 4)(7 11 9)(8)(10 15 13)(14)(16)(17)(18)(20)(21)