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

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

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

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

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