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