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