remove all items from the countertop and leave the surface clean and unobstructed remove the side splash so the countertop ends cleanly at the wall apply a 3x12 white matter tile backsplash to the main wall only in a horizontal orientation with an exact 1 3 offset each row shifted by one third of the tile length do not use a 1 2 offset or brick pattern the layout must clearly show a repeating 0 33 66 stagger maintain realistic scale alignment and consistent grout lines do not apply tile to the left side wall reveal leave that surface as painted drywall keep all cabinetry countertops aside from removing the side splash and lighting unchanged