018期：→№←【03,05,06,07,08,09,10,11,13,16,17,18,22,27,28,31,33,35,37,39,40,41,46,48】开：10对
019期：→№←【01,02,04,06,07,10,11,14,20,21,22,26,27,30,32,33,37,40,42,43,44,46,47,49】开：06对
020期：→№←【01,03,04,06,07,08,09,10,11,12,13,14,18,22,23,25,32,33,35,39,40,42,43,45】开：34错
021期：→№←【01,02,03,04,06,08,10,11,13,15,16,17,18,19,20,21,24,25,26,29,31,32,34,49】开：**
