(0 19 8 5 3)(1 4 2)(6 20 18 11 10)(7 13 9)(12 16 14)(15 21 17)
ALLOWS (11/8)-SEQUENCE
1: (0 6 8)

(0 5 3)(1 4 2)(6 19 8 20 18 11 10)(7 13 9)(12 16 14)(15 21 17)
2: (8 11 19)

(0 5 3)(1 4 2)(6 19 10)(7 13 9)(8)(11 20 18)(12 16 14)(15 21 17)
3: (7 13 9)

(0 5 3)(1 4 2)(6 19 10)(7)(8)(9)(11 20 18)(12 16 14)(13)(15 21 17)
4: (11 20 18)

(0 5 3)(1 4 2)(6 19 10)(7)(8)(9)(11)(12 16 14)(13)(15 21 17)(18)(20)