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