047期：04,05,06,08,12,13,16,19,20,24,26,27,29,31,32,34,37,38,39,40,42,46,47,49··（共半数）开39准
048期：02,03,05,08,10,12,13,14,16,17,18,20,21,23,24,26,27,28,36,37,42,43,45,46··（共半数）开24准
049期：03,04,05,07,08,10,13,14,18,20,22,23,25,26,30,33,36,37,40,41,42,44,45,49··（共半数）开13准
050期：02,03,06,10,12,13,17,18,19,20,21,25,26,27,28,31,32,33,36,40,41,42,43,46··（共半数）开？？！