274期半数<<01,03,04,05,07,08,11,16,17,19,20,21,23,24,26,27,29,30,32,33,34,36,39,41,42,45,47,48>>】开24准
275期半数<<01,03,04,07,08,10,11,14,15,16,18,20,21,22,23,24,25,26,27,30,31,33,34,35,38,43,45,46>>】开31准
276期半数<<02,05,06,07,08,09,10,12,16,17,18,20,22,23,26,27,28,29,30,31,33,38,39,41,44,47,48,49>>】开01错
277期半数<<01,04,06,07,10,12,13,14,18,19,20,21,24,25,28,29,33,36,37,38,39,40,41,43,46,47,48,49>>】开47准
278期半数<<01,04,07,08,10,11,12,13,18,19,21,22,23,27,28,29,31,33,35,36,38,40,41,43,44,46,47,49>>】开41准
279期半数<<01,02,04,05,06,08,10,11,12,13,16,22,23,25,29,32,33,34,35,36,37,38,39,40,42,43,48,49>>】开04准
280期半数<<01,02,05,06,08,12,13,14,17,18,20,21,23,28,30,31,33,34,37,38,40,41,42,43,45,47,48,49>>】开20准
281期半数<<02,03,04,05,07,10,11,12,14,16,17,19,21,22,26,29,34,35,36,37,38,39,40,43,45,46,48,49>>】开43准
282期半数<<01,02,06,07,08,09,11,13,14,16,18,20,21,22,24,26,28,30,31,34,35,37,38,40,41,42,43,45>>】开34准
283期半数<<01,03,04,05,07,08,09,10,13,16,18,19,21,23,26,27,29,31,32,33,34,38,39,41,43,45,47,49>>】开18准
=============10中9=============
284期半数<<01,02,03,04,06,09,13,14,15,16,17,18,20,21,23,24,30,32,33,34,35,37,39,40,41,46,48,49>>】开20准
285期半数<<02,04,06,07,08,09,13,14,15,16,18,20,22,25,27,28,29,30,31,37,38,40,41,42,43,44,48,49>>】开06准
286期半数<<02,05,06,08,09,12,13,16,19,20,22,23,26,30,31,32,34,36,37,38,39,40,41,44,45,46,47,49>>】开48错
287期半数<<03,04,05,07,08,10,11,12,13,16,23,24,25,26,27,29,33,34,35,36,37,42,43,44,45,47,48,49>>】开04准
288期半数<<02,04,08,09,11,12,13,15,17,18,21,25,26,32,33,34,35,36,37,39,40,41,42,44,45,46,47,48>>】开01错
289期半数<<01,04,05,07,08,10,12,15,16,19,20,21,22,23,24,25,26,27,29,33,34,35,36,38,41,42,44,46>>】开？？