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