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

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

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

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

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