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025期:统计半数围 06,07,09,10,12,16,18,19,23,24,25,26,27,28,30,34,36,38,39,44,46,47,48,49,（共24个）
026期:统计半数围 02,05,08,09,11,17,20,21,24,25,26,28,29,33,35,37,40,41,42,44,48,49, =２２码.
027期:统计半数围 02,04,06,07,09,10,12,16,18,19,22,24,25,26,28,29,36,37,38,39,42,43,48,49,（共24个）
028期:统计半数围 01,02,03,04,06,10,12,14,18,19,20,21,22,24,26,28,29,30,31,36,39,40,42,46,48, =２５码.
029期:统计半数围 01,02,05,10,11,13,14,15,25,26,27,29,30,31,34,35,37,40,41,43,49, =２１码.
030期:统计半数围01,03,05,09,10,13,21,22,23,25,29,30,32,33,34,37,38,41,42,43,44,45,47,49, =２４码.
001期:统计半数围02,05,06,08,09,13,16,17,18,20,21,25,28,29,30,35,37,38,40,45,47,49, =２２码.
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