250期：《《04,05,10,17,21,22,28,29,31,33,36,37,39,42,47,48》》开：42对
251期：《《04,06,07,09,18,22,28,31,34,35,37,40,42,44,45,46》》开：13错
252期：《《04,06,08,09,10,15,19,20,22,30,31,35,38,40,43,46》》开：08对
253期：《《04,05,11,19,20,25,26,27,29,30,31,32,33,35,38,45》》开：09错
254期：《《07,13,14,15,17,18,23,25,35,37,38,40,41,42,45,48》》开：07对
255期：《《06,07,10,11,15,21,22,27,34,35,36,38,40,43,47,49》》开：36对
256期：《《01,04,06,09,11,17,19,20,24,28,37,40,43,44,45,46》》开：？？