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