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