276期【31,32,43,47,18,19,26,33,34,35,36,39,44,46,06,07,13,20,23,25,28,38,40,42】开31对
277期【25,16,17,22,24,35,38,48,04,09,11,12,13,14,19,23,26,28,29,30,31,34,36,40】开05错
278期【34,41,10,22,26,27,28,35,37,42,43,44,48,03,06,19,20,21,24,31,33,39,45,46】开35对
279期【29,32,10,18,20,25,30,37,42,44,46,01,12,15,17,21,23,28,31,33,34,35,38,39】开00对