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