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