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

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

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

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

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