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

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

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

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

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