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