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