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

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

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

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

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