235期：((04,09,12,13,14,20,22,26,30,32,34,35,38,43,45,48))开：32OK
236期：((02,09,10,16,17,20,24,27,31,32,40,42,44,46,48,49))开：10OK
237期：((01,04,07,08,09,13,14,18,24,26,29,35,38,43,44,45))开：27x
238期：((07,08,09,12,16,18,20,25,28,38,39,41,42,46,48,49))开：18OK
239期：((03,04,05,06,09,12,18,21,23,27,37,39,42,45,46,47))开：06OK
240期：((02,05,08,10,11,15,21,22,28,32,37,40,42,46,47,48))开：32OK
6-5
241期：((02,03,05,07,08,11,16,19,28,30,33,34,37,41,47,48))开：12x