248期：((02,05,12,14,15,20,21,22,23,24,28,32,35,43,45,47))开：12中中中
249期：((02,03,05,08,11,13,20,22,24,25,30,39,40,42,46,48))开：02中中中
250期：((04,05,08,15,20,22,28,31,32,33,34,35,36,41,45,47))开：12错错错
251期：((04,05,06,08,10,13,15,23,25,27,29,31,33,41,42,49))开：35错错错
252期：((01,02,03,10,18,20,21,23,24,28,33,36,40,41,43,47))开：23中中中
253期：((02,03,04,05,07,08,14,16,17,21,23,27,31,33,44,45))开：==？