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

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

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

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

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