247期：←二十八码←《《《→→→01,04,07,09,14,16,17,19,20,21,23,24,26,27,28,29,30,31,32,34,35,36,40,41,43,46,48,49←←←》》》开：40准
248期：←二十八码←《《《→→→02,04,06,07,09,12,13,14,16,17,24,25,26,27,28,29,31,33,34,38,39,40,43,44,45,47,48,49←←←》》》开：20错
249期：←二十八码←《《《→→→01,03,04,07,08,13,16,17,18,20,22,23,24,25,27,30,32,33,35,36,38,40,43,44,45,46,48,49←←←》》》开：23准
250期：←二十八码←《《《→→→01,02,04,06,07,11,12,13,14,17,21,23,25,26,27,30,31,32,33,35,38,41,43,44,45,46,47,48←←←》》》开：？