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

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

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

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

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