021期：→№←【01,03,05,06,09,10,15,17,18,22,24,26,27,29,30,35,36,38,39,40,41,42,44,48】开：06对
022期：→№←【03,04,05,08,12,16,19,21,25,26,28,29,31,32,35,36,37,38,39,40,41,42,43,44】开：21对
023期：→№←【04,06,07,08,09,12,13,16,18,20,23,25,26,27,29,31,32,34,38,42,43,44,47,48】开：38对
024期：→№←【01,03,04,06,07,12,13,15,16,17,19,22,26,27,31,33,34,41,42,44,45,46,47,49】开：10错
025期：→№←【02,07,08,10,15,16,18,23,24,26,29,30,31,32,33,34,38,39,40,41,44,45,46,47】开：38对
026期：→№←【03,04,05,07,08,11,12,13,14,18,19,20,25,29,30,31,32,33,34,40,41,44,48,49】开：44对
027期：→№←【01,03,05,06,07,08,09,12,17,18,20,21,26,27,29,30,32,33,38,39,44,45,47,49】开：45对
028期：→№←【02,07,09,11,15,16,18,20,24,26,28,29,32,33,36,39,41,42,43,44,45,46,47,49】开：44对
029期：→№←【04,05,09,10,11,12,14,15,17,18,21,22,23,26,28,30,32,33,35,37,38,47,48,49】开：01错
030期：→№←【02,04,07,12,13,14,16,17,18,19,26,27,30,31,32,34,36,37,38,40,42,43,46,47】开：**