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layer at (0,0) size 800x68
  RenderBlock {HTML} at (0,0) size 800x68 [bgcolor=#800080]
    RenderBody {BODY} at (25,25) size 750x18 [color=#FFFFFF] [bgcolor=#000080]
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          text run at (0,0) width 386: "This paragraph should be in a blue block near the top of the "
          text run at (385,0) width 291: "page. Around it on all sides should be purple."