The parcel’s confinement conferred the front elevation a crucial importance, as if the entire building was just a façade. For that matter, it was decided to work with a random pattern of offset columns that carry their loads on constant section beams. The same-size columns shift positions between floors and the incremental load on the lower floors reveals itself in the increasing number of them descending towards the ground floor. The aleatory rhythm is contained within precise boundaries on the building edges.