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

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

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

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

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