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