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