250期:((05,06,07,11,13,14,16,27,28,34,36,37,39,42,43,48))开:14中中中
251期:((01,02,04,06,07,10,11,14,16,25,27,34,37,38,40,46))开:30错错错
252期:((01,02,03,12,15,24,25,26,27,28,30,32,33,42,46,48))开:22错错错
253期:((09,13,15,19,20,22,23,24,26,28,29,38,39,43,47,48))开:==?