181期:半数【《01,03,04,05,06,08,09,13,14,19,20,21,22,23,24,27,33,35,36,42,43,46,47,49》】开:19准
182期:半数【《03,04,06,07,09,10,12,13,15,16,19,23,26,28,31,32,33,34,36,38,39,44,46,47》】开:41错
183期:半数【《01,03,04,05,06,08,09,10,13,19,20,21,27,28,32,33,36,37,38,39,41,43,45,49》】开:24错
184期:半数【《01,02,05,06,09,12,15,17,18,20,24,26,27,28,29,30,31,34,35,38,39,43,44,48》】开:？？？？