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

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

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

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

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