021期：=【02,05,08,12,14,18,20,21,23,27,31,34,35,36,37,38,40,41,43,44,45,46,47,48】开：12准
022期：=【03,04,06,08,09,11,13,16,17,23,25,26,27,28,30,32,33,35,36,41,42,45,48,49】开：34错
023期：=【02,04,05,06,07,09,10,12,13,15,16,17,18,19,20,26,31,32,35,36,41,43,46,47】开：29错
024期：=【02,04,06,07,08,14,16,19,20,21,22,25,26,28,29,31,32,33,36,38,41,43,44,47】开：00？