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

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

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

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

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