279期：（寻码）《01,03,04,10,13,15,16,18,20,25,26,27,29,30,31,32,37,39,40,41,44,45,47,48》开：10对
280期：（寻码）《03,04,06,07,08,14,15,19,21,23,25,26,27,30,33,35,36,37,40,41,42,44,48,49》开：15对
281期：（寻码）《03,04,06,07,08,09,15,22,27,28,30,33,34,35,37,39,41,42,43,44,45,46,47,48》开：？？