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