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