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 784x17 children: not-inline
      Box <div.grid> at (8,8) content-size 784x17 [GFC] children: not-inline
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text>
        BlockContainer <div.right> at (400,8) content-size 392x17 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [400,8 9.34375x17] baseline: 13.296875
              "a"
          TextNode <#text>
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text>
        BlockContainer <div.left> at (8,8) content-size 392x17 [BFC] children: not-inline
          BlockContainer <(anonymous)> at (8,8) content-size 392x0 children: inline
            TextNode <#text>
          BlockContainer <div.inner> at (8,8) content-size 392x17 children: inline
            frag 0 from TextNode start: 0, length: 1, rect: [8,8 9.46875x17] baseline: 13.296875
                "b"
            TextNode <#text>
          BlockContainer <(anonymous)> at (8,25) content-size 392x0 children: inline
            TextNode <#text>
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text>
      BlockContainer <(anonymous)> at (8,25) content-size 784x0 children: inline
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x600]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x17]
      PaintableBox (Box<DIV>.grid) [8,8 784x17]
        PaintableWithLines (BlockContainer<DIV>.right) [400,8 392x17]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.left) [8,8 392x17]
          PaintableWithLines (BlockContainer(anonymous)) [8,8 392x0]
          PaintableWithLines (BlockContainer<DIV>.inner) [8,8 392x17]
            TextPaintable (TextNode<#text>)
          PaintableWithLines (BlockContainer(anonymous)) [8,25 392x0]
      PaintableWithLines (BlockContainer(anonymous)) [8,25 784x0]
