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