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