050期：（寻码）《02,03,04,05,07,11,12,15,16,17,18,19,21,23,24,27,30,32,33,36,40,42,45,49》开：40对
051期：（寻码）《01,04,09,10,11,12,13,16,18,22,23,26,27,30,33,35,37,38,43,44,45,46,47,48》开：28错
052期：（寻码）《01,06,09,11,12,13,14,16,17,18,19,20,24,25,28,29,30,31,36,38,40,44,48,49》开：22错
053期：（寻码）《02,03,05,06,09,10,18,19,20,22,23,27,29,31,33,37,38,39,41,43,44,45,47,48》开：？？