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