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