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