249期:((07,09,11,14,20,23,28,29,31,32,33,35,42,43,45,49))开:32中中中
250期:((02,04,07,12,17,24,26,30,33,34,36,42,43,44,46,49))开:24中中中
251期:((03,04,05,09,12,17,19,23,28,33,37,38,44,45,48,49))开:14错错错
252期:((04,06,07,08,15,16,19,22,23,24,26,28,30,31,33,44))开:36错错错
253期:((01,02,04,05,09,10,11,20,22,26,33,36,43,44,45,46))开:==?