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

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

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

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

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