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

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

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

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

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