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