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