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