121期：01,03,04,06,08,10,11,14,15,17,21,22,23,24,26,28,29,30,31,33,34,39,41,42,43,45,48,49··（共半数）开33准
122期：01,05,08,09,12,17,18,19,20,21,23,24,25,26,27,29,30,32,33,34,35,37,40,41,43,44,45,49··（共半数）开16错
123期：03,05,06,07,08,09,12,13,15,16,17,19,20,21,22,23,24,25,26,27,28,29,30,33,34,38,40,45··（共半数）开42错
124期：02,03,05,08,09,11,14,17,18,20,23,25,26,27,29,30,32,36,37,38,39,41,43,44,46,47,48,49··（共半数）开？？！