Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x600 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x0 children: not-inline
      BlockContainer <div> at (8,8) content-size 784x0 children: inline
        TextNode <#text>
        BlockContainer <h1.left> at (8,29.4375) content-size 28.53125x37 floating [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [8,29.4375 28.53125x37] baseline: 28.09375
              "A"
          TextNode <#text>
        TextNode <#text>
        BlockContainer <h1.right> at (773.3125,29.4375) content-size 18.6875x37 floating [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [773.3125,29.4375 18.6875x37] baseline: 28.09375
              "B"
          TextNode <#text>
        TextNode <#text>
        BlockContainer <div.c> at (8,157.875) content-size 11.5625x18 floating [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [8,157.875 11.5625x18] baseline: 13.796875
              "X"
          TextNode <#text>
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x600]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x0]
      PaintableWithLines (BlockContainer<DIV>) [8,8 784x0]
        PaintableWithLines (BlockContainer<H1>.left) [8,29.4375 28.53125x37]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<H1>.right) [773.3125,29.4375 18.6875x37]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.c) [8,157.875 11.5625x18]
          TextPaintable (TextNode<#text>)
