exterior_colors = [
         "192, 192, 192"
         "0, 0, 0"
         "255, 255, 255"
         "128, 128, 128"
         "255, 0, 0"
         "255, 69, 0"
         "0, 0, 255"
         "75, 0, 130"
         "255, 215, 0"
         "34, 139, 34"
         "160, 82, 45"
         "245, 245, 220"
         "210, 105, 30"
         "255, 20, 147"
         "255, 228, 196"
         "255, 223, 0"
         "85, 107, 47"
         "192, 192, 192"
    ]