〖22中18〗270期:〖二十八码，二十八码〗

248期：大围：01,04,05,07,08,09,10,11,13,14,15,17,19,20,22,23,24,28,29,33,34,39,42,43,44,45,47,48（共半数）开15准
249期：大围：01,02,04,05,06,08,11,16,17,18,19,20,22,23,25,26,27,28,30,32,33,34,35,36,37,40,46,48（共半数）开02准
250期：大围：01,02,03,05,06,07,08,09,12,14,15,16,18,20,22,23,26,27,30,31,32,33,35,36,39,40,44,49（共半数）开04错
251期：大围：01,06,09,12,13,14,15,17,18,20,21,22,23,24,27,28,29,30,36,37,39,41,42,43,45,46,47,48（共半数）开41准
252期：大围：01,05,06,08,09,12,13,14,15,17,20,21,22,23,24,25,27,28,31,35,36,37,38,40,42,43,45,46（共半数）开24准
253期：大围：02,06,07,09,10,12,13,14,16,17,18,19,20,25,29,32,33,34,36,37,38,41,42,43,44,45,47,48（共半数）开19准
254期：大围：03,04,07,08,10,11,12,13,14,15,18,19,20,24,25,27,29,30,32,34,35,36,39,41,42,44,46,47（共半数）开13准
255期：大围：02,07,09,11,12,13,14,15,16,17,18,19,21,22,26,28,32,33,34,35,37,40,41,42,43,44,45,47（共半数）开33准
256期：大围：02,05,08,09,10,11,12,13,16,19,20,24,26,27,28,29,30,32,34,37,39,41,42,44,45,46,47,49（共半数）开35错
257期：大围：03,05,06,08,09,10,11,13,15,17,18,19,21,22,24,25,26,27,31,32,33,34,40,41,43,44,48,49（共半数）开48准
=============10中8=============
258期：大围：01,02,03,04,05,06,07,08,11,17,18,21,24,26,27,28,29,32,34,35,36,40,42,43,44,46,47,48（共半数）开12错
259期：大围：03,04,05,06,07,09,10,11,12,16,17,18,20,23,25,26,30,31,33,36,37,38,39,40,42,45,46,49（共半数）开45准
260期：大围：01,03,04,06,07,08,09,10,12,13,14,15,16,18,24,25,30,31,32,33,37,38,39,41,45,47,48,49（共半数）开25准
261期：大围：01,03,04,07,08,11,12,13,15,17,21,24,25,27,28,29,30,33,36,38,40,41,42,43,44,45,48,49（共半数）开49准
262期：大围：02,03,04,05,07,08,10,13,16,17,21,22,23,25,28,29,32,35,36,37,38,41,43,44,45,46,47,48（共半数）开03准
263期：大围：01,03,04,06,08,10,12,13,14,15,19,20,22,23,26,30,31,33,34,39,40,41,44,45,46,47,48,49（共半数）开34准
264期：大围：01,02,04,06,07,08,12,13,14,15,17,18,19,21,22,23,24,25,26,27,28,29,33,36,38,39,42,44（共半数）开27准
265期：大围：01,02,04,05,06,07,08,09,13,14,15,16,19,22,23,25,26,28,29,34,36,37,39,42,44,45,47,48（共半数）开30错
266期：大围：01,02,03,04,05,06,09,10,15,16,17,19,21,22,24,25,26,30,31,34,35,37,38,40,41,42,46,47（共半数）开40准
267期：大围：02,03,04,05,07,09,10,13,15,19,20,22,23,24,28,30,32,33,34,35,36,37,38,39,40,43,45,49（共半数）开22准
=============10中8=============
268期：大围：01,02,03,05,06,07,08,09,10,13,15,18,24,28,29,30,31,32,36,37,38,39,41,42,45,46,47,49（共半数）开32准
269期：大围：04,06,08,10,11,12,13,15,16,17,19,22,25,26,27,28,29,30,32,34,36,37,38,39,40,46,47,48（共半数）开37准