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