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