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

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

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

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

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