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
    RenderBody {BODY} at (8,8) size 784x584
layer at (8,8) size 193x584
  RenderBlock {DIV} at (0,0) size 193x584 [border: (2px solid #800000)]
    RenderMultiColumnSet at (2,2) size 189x580
layer at (10,10) size 268x282
  RenderMultiColumnFlowThread at (2,2) size 268x282
    RenderBlock {DIV} at (0,0) size 110x282
    RenderBlock {DIV} at (110,0) size 158x379 [bgcolor=#00FF00] [border: (2px solid #000000)]
      RenderBlock {DIV} at (2,12) size 154x355 [bgcolor=#008000] [border: (2px solid #0000FF)]
        RenderInline {SPAN} at (0,0) size 147x192
          RenderText {#text} at (3,2) size 147x192
            text run at (3,2) width 166: "In 2nd"
            text run at (78,2) width 192: "column"
        RenderText {#text} at (0,0) size 0x0