021期：【干掉黑庄【合数必中】

018期：合数单双【【19,14,29,06,10,43,15,17,34,12,03,01,38,21,28,04,32,05,18,27,36,07,49,23,09】】→开羊23准
019期：合数单双【【09,11,02,34,29,22,01,38,39,21,44,37,20,07,32,47,12,48,15,45,08,16,43,14,49】】→开马36 错
020期：合数单双【【14,06,42,21,12,13,10,08,46,20,28,23,41,16,32,44,11,39,33,34,18,43,36,04,09】】→开鸡33准
021期：合数单双【【35,37,03,02,40,36,32,28,07,14,42,49,43,12,31,08,04,13,33,20,18,41,01,30,22】】→开准