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

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

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

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

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