017期【04,05,06,07,10,11,12,13,14,15,16,17,20,21,22,23,24,25,26,28,29,31,32,33,34,35,37,38,40,41,48,49】开04中
018期【02,03,04,06,07,10,12,13,14,15,16,18,19,20,21,22,23,25,29,31,32,33,34,37,38,39,43,44,45,46,47,48】开31中
019期【01,02,05,08,09,10,11,13,14,15,16,17,19,21,22,23,24,25,27,30,31,32,33,35,36,40,41,42,43,46,47,48】开40中
020期【01,02,03,04,05,06,07,09,12,13,17,18,22,24,25,26,29,30,31,32,34,35,36,37,38,39,40,42,44,46,48,49】开