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

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

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

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

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