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