create a 4x4 layout using HTML,CSS

Hi All,

i need a HTML code for below layout examples,am going to place a images in each table rows and columns should be equal with and images need to be fit in this

 

4x4  

 

image1.png (width:50px)	image2.png  (width:50px)
image3.png  (width:50px)	image4.png  (width:50px)

 

3x3 

 

(width:100px)
(width:50px)	(width:50px)

 

2x2

 

(width:50px)

(width:50px)