250期：16码≤≤07,08,11,14,19,20,22,26,30,32,35,36,37,39,42,49≥≥开：42对
251期：16码≤≤02,04,07,09,13,15,17,24,25,26,27,34,36,37,45,47≥≥开：13对
252期：16码≤≤01,02,04,10,17,19,25,27,29,30,31,34,39,42,47,48≥≥开：08错
253期：16码≤≤01,02,05,06,13,16,19,21,26,33,35,42,43,46,47,48≥≥开：//