layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderFrameSet {FRAMESET} at (0,0) size 800x600 [bgcolor=#FF0000]
      RenderFrame {FRAME} at (0,0) size 398x600
        layer at (0,0) size 398x600
          RenderView at (0,0) size 398x600
        layer at (0,0) size 398x600
          RenderBlock {HTML} at (0,0) size 398x600
            RenderBody {BODY} at (8,8) size 382x584 [bgcolor=#008000]
      RenderFrame {FRAME} at (404,0) size 396x600
        layer at (0,0) size 396x600
          RenderView at (0,0) size 396x600
        layer at (0,0) size 396x600
          RenderBlock {HTML} at (0,0) size 396x600
            RenderBody {BODY} at (8,8) size 380x584 [bgcolor=#008000]