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