277期：精算24码】≈02,03,05,06,08,09,12,13,14,15,17,21,25,27,28,31,32,34,35,38,39,46,47,48】开：47中
278期：精算24码】≈02,03,05,07,09,11,12,13,14,15,16,18,22,25,26,31,33,34,36,38,42,43,46,49】开：41错
279期：精算24码】≈01,02,06,07,10,13,14,19,20,26,27,29,30,31,32,33,34,38,42,43,44,45,46,49】开：04错
280期：精算24码】≈01,03,08,09,10,11,12,14,17,20,21,23,29,32,33,35,36,38,41,42,43,46,47,48】开：//