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