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