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