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