049期：24码！（01,03,04,09,12,13,15,16,17,20,22,25,28,29,30,34,35,37,41,42,43,44,48,49）开：13准
050期：24码！（01,02,09,12,17,19,20,22,24,28,29,31,33,34,35,37,38,39,40,41,44,45,46,49）开：23错
051期：24码！（01,04,05,07,08,09,11,13,14,15,19,21,22,24,27,28,31,32,33,39,41,43,47,49）开：01准
052期：24码！（02,03,05,07,08,11,13,15,16,18,20,22,23,25,26,27,28,29,34,35,38,39,45,48）开：？