238期：〓(01,03,04,06,08,09,12,13,17,18,19,20,21,24,25,28,30,33,35,38,39,43,47,49)〓→开:17准
239期：〓(01,02,05,06,12,13,14,15,20,21,22,25,26,29,30,32,34,37,39,41,42,43,46,47)〓→开:05准
240期：〓(03,04,06,10,11,15,16,19,20,23,25,27,28,30,31,32,34,38,39,42,43,44,45,49)〓→开:27准
241期：〓(03,05,06,07,09,12,16,18,19,21,24,25,28,29,30,31,33,34,35,37,39,44,46,47)〓→开:49错
242期：〓(03,04,05,06,07,11,12,15,16,17,18,21,24,25,26,27,30,33,37,38,40,46,47,49)〓→开:09错
243期：〓(01,03,05,06,07,08,09,14,15,16,21,22,27,30,32,35,36,37,38,40,42,45,47,48)〓→开:21准
244期：〓(02,04,08,09,11,12,14,16,18,23,24,26,28,30,36,37,38,39,42,44,45,46,47,48)〓→开:46准
245期：〓(01,04,05,08,10,13,14,15,17,20,21,22,25,28,30,31,33,34,38,39,46,47,48,49)〓→开:??←