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