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