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