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

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

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

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

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