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

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

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

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

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