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