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