020期【03,04,05,06,07,08,09,10,11,12,13,16,17,19,20,21,23,25,26,28,29,30,31,33,34,35,36,37,38,40,42,44,45,46,47,48,49】开34中
021期【02,03,05,08,09,10,11,12,14,15,16,17,18,19,21,22,23,24,25,26,27,29,32,33,34,36,37,38,39,40,41,42,44,45,46,47,48】开14中
022期【01,02,03,04,05,06,08,09,13,14,16,17,18,19,20,21,22,23,26,27,28,30,31,32,35,36,37,38,39,41,42,43,44,45,46,48,49】开