251期：=【01,03,04,05,06,07,08,10,11,17,22,23,24,25,29,30,31,35,36,37,41,42,44,48】开：35准
252期：=【01,03,04,05,07,09,10,11,13,22,23,28,32,35,36,38,39,43,44,45,46,47,48,49】开：23准
253期：=【01,02,03,06,07,12,15,23,25,26,27,29,30,32,33,35,37,38,40,41,42,44,46,48】开：33准
254期：=【02,03,05,06,08,09,12,13,14,16,17,18,19,23,24,25,26,28,30,32,37,39,40,48】开：17准
255期：=【02,05,06,08,09,11,13,18,19,20,21,22,24,25,28,30,32,34,38,40,42,46,48,49】开：42准
256期：=【03,04,06,07,10,11,12,15,17,19,21,22,23,24,26,29,31,33,36,40,41,44,48,49】开：48准
257期：=【02,03,05,10,12,13,16,17,18,19,21,23,26,28,29,30,31,35,37,38,41,46,48,49】开：？？