<svg width="100%" height="100%" xmlns="http://www.w3.org/2000/svg"> <rect width="100%" height="100%" fill="grey"/> <g transform="translate(80 30)"> <rect x="-80" y="100" width="100" height="100" fill="blue"/> <rect x="-60" y="120" width="40" height="40" fill="grey"/> <rect x="60" y="100" width="100" height="100" fill="blue"/> <rect x="80" y="120" width="40" height="40" fill="grey"/> <rect x="180" y="100" width="100" height="100" fill="blue"/> </g> </svg>