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