248期：精算24码】≈04,08,09,10,13,14,15,17,23,24,25,27,28,29,31,35,36,37,40,42,43,45,47,48】开：15中
249期：精算24码】≈05,06,09,10,11,14,15,16,18,19,21,24,25,27,28,29,30,31,33,35,38,39,40,44】开：02错
250期：精算24码】≈05,07,08,09,10,11,12,14,15,16,18,20,21,23,25,26,27,32,33,34,36,39,41,47】开：04错
251期：精算24码】≈06,07,09,11,13,15,16,17,18,19,20,21,25,28,29,33,37,39,41,43,44,45,46,48】开：41中
252期：精算24码】≈03,05,07,09,12,15,17,20,21,22,23,25,27,28,30,32,33,35,37,38,40,46,47,49】开：//