This means all in reality. If you do this, the practitioner will have problems as a result of drawing. The reinforcements and stirrups coming to the corner points of the column in the curtain will be a problem. Instead, it would be more accurate to enlarge the columns by 20 cm and place them right inside the curtain. (with the column long dimension 90 cm or with the columns sliding 20 cm). Of course, it can be solved without adding any columns. The beams can be connected directly to the curtains, which is a preference.