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

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

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

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

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