184期：01,02,03,06,07,10,12,13,15,19,20,22,26,28,32,34,35,36,39,42,43,44,47,48··（共半数）开15准
185期：01,06,07,08,10,11,14,16,17,18,22,23,24,25,27,28,29,32,38,41,42,44,45,49··（共半数）开21错
186期：01,06,07,08,10,12,13,15,16,17,18,21,22,24,25,28,30,31,39,43,45,46,48,49··（共半数）开10准
187期：01,04,05,06,09,10,11,14,20,22,24,28,30,31,34,35,37,38,39,40,42,43,45,49··（共半数）开19错
188期：02,04,07,09,10,12,13,16,17,18,19,20,21,22,24,25,26,33,38,41,42,43,48,49··（共半数）开？？！