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

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

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

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

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