same image change only one thing the entire upper floor wall surface between and around all window openings must change to the same dark grey concrete tone as the lower floor base keep white only the top parapet horizontal band and the bottom horizontal band that separates upper from lower floor all other upper floor wall surfaces become dark grey keep absolutely everything else untouched louvres windows curtains vegetation sky lighting shadows furniture pool deck every single other pixel must remain untouched maintain identical pixel perfect render quality
