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

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

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

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

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