Imagine that you are a carpenter, who is facing the task of sealing a hole in the floor.
But the problem is that the hole in the floor is 120 * 20 cm (each cell = 10 cm), and you only have one sheet of wood plate - 80 * 30 cm.
You must seal the hole by making the smallest possible number of cuts.
Do you want to learn how to do this? Then look further!
Here's how to cut the slab sheet.
Next, add the parts as follows.
That's it - the hole in the floor is successfully sealed! But we did only one cut!