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

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

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

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

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