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