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

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

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

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

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