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