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