250期：24码<<01,02,04,05,07,09,14,15,16,19,23,25,26,28,30,32,34,36,39,41,42,44,45,49》开：42对
251期：24码<<03,06,07,08,10,11,12,15,16,18,21,22,23,24,29,32,33,34,39,42,44,45,47,49》开：13错
252期：24码<<02,03,04,05,07,09,10,13,15,19,20,22,25,27,30,32,33,34,35,36,42,43,46,47》开：08错
253期：24码<<01,02,03,04,05,07,08,09,10,11,16,17,18,20,21,22,25,30,34,36,37,38,43,44》开：09对
254期：24码<<01,02,04,05,10,15,17,18,19,20,21,22,24,27,29,30,32,37,41,43,44,45,46,48》开：**