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

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

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

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

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