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

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

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

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

(0)(1 15 3)(2 7 4)(5)(6 10 8)(9 14 12)(11)(13)(16)(17)(18)(19)(20)