Large Duplex House Free 3D model

This 3D model was originally created with Sketchup 8 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 Here it is, folks. The model of a rendering of a large duplex. One has a finished attic, the other does not. Various finishes inside. See what is different about the 2 units. Find the differences and tell me how many there are. I know how many, see if you can find them. Have fun, Bob update: Paul found them. Way to go Paul!