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

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

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

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

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