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