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

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

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

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

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