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

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

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

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

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