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