generate multiple distinct architectural design variations based on the provided image of an existing building strictly preserve the original massing overall dimensions roof geometry and site layout do not alter the building footprint or program for each variation reinterpret the facade design material palette architectural detailing and entrance expression explore different contemporary architectural identities while maintaining realistic and constructible solutions use credible materials correct proportions visible joints and standard construction logic natural lighting realistic shadows and photorealistic rendering no artistic conceptual or exaggerated effects produce 3 to 5 clearly different design options each with a unique architectural language one option should be institutional and conservative
