291期：（寻码）《01,04,09,13,15,17,19,23,24,26,27,28,29,31,32,33,36,37,39,40,41,42,43,48》开：17对
292期：（寻码）《02,05,06,12,14,15,16,17,18,19,21,22,24,25,27,34,35,36,39,40,41,42,44,49》开：36对
293期：（寻码）《01,02,05,09,12,13,14,16,17,18,19,22,25,26,27,30,31,38,40,43,44,45,47,48》开：？？