315期：〓(01,02,03,04,05,08,12,18,19,20,24,25,29,33,35,36,37,38,39,42,44,45,46,47)〓→开:04准
316期：〓(01,03,04,05,06,07,10,13,14,15,16,17,19,20,21,24,26,28,30,33,34,35,41,49)〓→开:24准
317期：〓(02,04,05,06,11,12,13,17,19,20,21,23,26,29,31,34,35,36,38,41,43,44,45,49)〓→开:18错
318期：〓(05,07,08,09,12,14,17,18,19,21,22,23,24,25,27,31,36,41,42,43,45,46,48,49)〓→开:06错
319期：〓(08,12,15,18,19,21,24,25,26,27,28,31,33,34,35,36,37,38,40,44,45,46,47,49)〓→开:45准
320期：〓(01,02,04,08,10,14,15,16,17,20,21,22,23,27,29,31,32,33,35,36,38,47,48,49)〓→开:??←