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