There are, in particular, three ways to put things in place:
Method of mass sealing - if the suitcase has not entered your compressed bucket for vacation, you need to sit on the suitcase and then it will close.
The method of artistic tetris - things are placed in the suitcase extremely tightly, so that if you repack the first suitcase, there will suddenly be room in it.
And the method of two suitcases is understandable from the name.
However, it has long been noticed that in two suitcases sometimes even less than in one. The fact is that the efficiency of space use is sacrificed to laziness, aesthetics or ergonomics. Especially Lenny.
With the rooms in the apartment the same story.