018期：特围→【01,02,03,05,07,08,12,13,17,21,23,25,27,29,31,32,33,34,36,38,39,42,46,48】→开31准
019期：特围→【01,02,06,11,12,13,15,16,17,21,25,27,28,29,33,36,37,40,42,43,45,47,48,49】→开40准
020期：特围→【01,03,07,08,09,11,12,17,19,23,29,30,31,32,33,35,36,37,39,40,44,45,46,49】→开10错
021期：特围→【01,04,05,06,08,11,12,15,17,22,23,25,26,27,29,30,31,32,34,35,37,38,40,45】→开07错
022期：特围→【04,05,07,08,09,11,12,15,17,18,21,24,26,27,28,29,31,34,37,40,44,47,48,49】→开18准
023期：特围→【03,05,08,11,13,16,17,19,20,21,24,27,28,29,30,31,32,35,37,38,39,41,44,45】→开0？