270期：((01,04,07,08,09,16,19,20,30,34,35,39,41,42,47,49))开：30中中中
271期：((02,06,10,12,14,18,23,25,28,29,30,36,37,40,45,49))开：45中中中
272期：((07,10,11,15,18,19,21,23,29,31,37,39,40,41,47,48))开：46错错错
273期：((01,02,07,08,13,14,16,17,20,22,23,26,33,46,47,49))开：27错错错
274期：((02,06,14,19,21,22,23,24,27,28,34,35,39,40,43,46))开：==？
