018期：=【03,04,07,09,11,12,15,17,19,20,22,23,31,32,37,38,40,41,42,43,45,46,47,48】开：23准
019期：=【02,03,05,06,07,09,12,13,14,16,18,19,20,22,23,24,25,31,38,40,41,42,45,47】开：36错
020期：=【02,04,05,06,09,11,12,18,19,21,23,25,26,27,34,36,37,39,42,43,44,45,48,49】开：00？