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