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