Answer :
5, 5, 1, 1
If they are all the same rectangle
if not, one is 5, 5, 1, 1
2 is 4, 4, 2, 2
3 is 3, 3, 3, 3
If they are all the same rectangle
if not, one is 5, 5, 1, 1
2 is 4, 4, 2, 2
3 is 3, 3, 3, 3