021期：03,04,06,09,10,12,14,15,16,19,20,22,24,30,31,32,33,34,36,39,40,42,43,44,49 开00中
020期：01,02,03,04,07,09,13,19,23,24,25,26,28,31,33,34,35,36,37,40,42,45,46,47,48 开33中
019期：01,02,06,08,10,12,18,19,20,22,23,24,25,26,30,32,34,35,40,42,43,46,47,48,49 开36错
018期：02,03,05,06,07,08,09,10,11,12,13,14,15,20,21,22,23,24,27,32,33,39,43,44,49 开23中
017期：01,02,03,04,06,07,11,12,13,14,15,16,21,22,23,24,25,26,27,28,38,43,47,48,49 开04中
016期：03,04,05,06,09,14,15,16,17,20,21,25,26,27,28,31,32,33,37,38,41,42,43,44,49 开36错
015期：01,04,05,06,12,13,14,16,18,19,21,22,27,28,33,34,39,40,41,43,44,45,46,48,49 开39中
014期：01,02,03,04,10,12,13,14,15,18,24,25,26,29,30,34,35,36,37,40,41,42,46,47,48 开17错
013期：10,11,15,16,17,18,19,20,21,22,23,27,28,29,30,31,32,33,34,35,39,40,41,42,46
