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