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

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

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

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

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