274期：16码≤≤03,06,08,10,11,14,16,22,24,29,33,35,41,43,45,48≥≥开：33对
275期：16码≤≤02,08,11,15,17,19,21,22,23,24,29,30,32,33,37,45≥≥开：17对
276期：16码≤≤01,02,03,09,10,12,15,17,22,24,27,33,34,36,44,48≥≥开：14错
277期：16码≤≤05,08,09,11,20,23,24,25,30,33,35,36,38,43,44,49≥≥开：11对
278期：16码≤≤02,05,14,15,19,21,25,27,28,30,34,35,36,41,45,47≥≥开：//