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

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

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

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

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