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

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

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

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

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