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