what I want to achieve is this structure:
| 1 | 2 |
| 3 | 4 |
in which 1,2,3,4 are 4 different categories; now, if I set up that module taking contents from those 4 categories I could obtain something like this
| 1 | 1 |
| 1 | 1 |
so the only option to get close to my goal is to set up two modules in which the first has data source from categories 1,2 and the second from categories 3,4; but also in this case the outcome could be
| 1 | 1 |
----------
| 4 | 4 |
Is there any other option to achieve that layout?