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