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

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

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

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

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