Can these numbers be arranged in the grid so that each row column and diagonal has the same total?

1 1 1

2 2 2

3 3 3

Yes

Would you like to see?

1 1 1

2 2 2

3 3 3

Can you do the same for this grid? Others? Is there a rule?

1 1 1 1

2 2 2 2

3 3 3 3

4 4 4 4