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