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

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

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

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

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