I am replacing the windows to try to make the exterior more interesting and updated. I replaced the bay window a few years ago so I need to stay with white. I want to lose the shutters and choose casement windows. I am thinking of changing to a triple casement for the window on the porch and the one above on the 2nd floor. What should I do for the remaining two window pairs on the second level? Should I leave them as two casements to contrast with the triples or change them to triple casements to match the others?