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