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