260期：16码≤≤01,02,09,10,12,20,23,33,34,35,37,39,40,42,45,49≥≥开：20对
261期：16码≤≤05,11,12,16,17,18,19,22,26,28,32,33,35,39,43,45≥≥开：24错
262期：16码≤≤06,08,09,10,11,19,20,23,24,27,28,29,36,39,48,49≥≥开：30错
263期：16码≤≤01,06,09,16,23,24,25,29,32,34,37,38,41,42,45,49≥≥开：//