183期:半数【《01,02,03,04,06,10,13,14,15,20,22,24,28,30,32,36,38,40,42,43,44,45,47,49》】开:03准
184期:半数【《01,06,09,10,11,12,13,14,16,19,20,23,25,26,28,29,30,32,33,35,37,39,42,45》】开:15错
185期:半数【《01,03,04,07,08,09,10,11,13,15,16,17,18,21,26,28,29,31,32,34,40,41,46,49》】开:21准
186期:半数【《02,04,07,08,09,10,11,13,14,15,17,19,20,21,25,26,29,37,39,40,45,46,47,49》】开:10准
187期:半数【《03,04,05,07,08,09,12,13,14,18,19,21,23,28,29,32,33,34,36,40,41,42,48,49》】开:????