THE OUTSIDE OF MY HOUSE IS BRICK THAT HAS BEEN PAINTED BROWN AND I WOULD LIKE TO PAINT IT TO LOOK LIKE REAL BRICK AGAIN. HOW DO I DO IT? WHAT COMBO OF COLORS SHOULD I USE. WHERE SHOULD I START? THERE ARE TWO LAYERS OF COLORS ON THE BRICK SO STRIPPING IS NOT AN OPTION. I DEFINETLY NEED TO PAINT IT. THANKS FOR YOUR HELP.