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

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

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

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

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