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