247期：((04,10,11,14,15,20,21,26,31,32,41,43,44,46,47,49))开：31中中中
248期：((05,06,07,09,15,16,18,19,25,30,33,35,40,42,45,47))开：11错错错
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：==？
