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

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

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

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

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