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