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

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

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

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

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