Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] children: not-inline
  BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 34 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 18 0+0+8] children: not-inline
      Box <div.grid> at [8,8] [0+0+0 784 0+0+0] [0+0+0 18 0+0+0] [GFC] children: not-inline
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.right> at [400,8] [0+0+0 392 0+0+0] [0+0+0 18 0+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [400,8 9.34375x18] baseline: 13.796875
              "a"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.left> at [8,8] [0+0+0 392 0+0+0] [0+0+0 18 0+0+0] [BFC] children: not-inline
          BlockContainer <(anonymous)> at [8,8] [0+0+0 392 0+0+0] [0+0+0 0 0+0+0] children: inline
            TextNode <#text> (not painted)
          BlockContainer <div.inner> at [8,8] [0+0+0 392 0+0+0] [0+0+0 18 0+0+0] children: inline
            frag 0 from TextNode start: 0, length: 1, rect: [8,8 9.46875x18] baseline: 13.796875
                "b"
            TextNode <#text> (not painted)
          BlockContainer <(anonymous)> at [8,26] [0+0+0 392 0+0+0] [0+0+0 0 0+0+0] children: inline
            TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [8,26] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x34]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x18]
      PaintableBox (Box<DIV>.grid) [8,8 784x18]
        PaintableWithLines (BlockContainer<DIV>.right) [400,8 392x18]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.left) [8,8 392x18]
          PaintableWithLines (BlockContainer(anonymous)) [8,8 392x0]
          PaintableWithLines (BlockContainer<DIV>.inner) [8,8 392x18]
            TextPaintable (TextNode<#text>)
          PaintableWithLines (BlockContainer(anonymous)) [8,26 392x0]
      PaintableWithLines (BlockContainer(anonymous)) [8,26 784x0]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x34] [children: 0] (z-index: auto)
