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