| layer at (0,0) size 800x600 |
| RenderView at (0,0) size 800x600 |
| layer at (0,0) size 800x48 |
| RenderBlock {HTML} at (0,0) size 800x48 |
| RenderBody {BODY} at (8,8) size 784x32 |
| layer at (8,8) size 784x32 |
| RenderBlock {DIV} at (0,0) size 784x32 |
| RenderMultiColumnSet at (0,0) size 784x16 |
| RenderBlock {DIV} at (0,16) size 784x0 [color=#FFFFFF] |
| RenderMultiColumnSet at (0,16) size 784x16 |
| layer at (8,8) size 117x32 |
| RenderMultiColumnFlowThread at (0,0) size 118x32 |
| RenderBlock {SUMMARY} at (0,0) size 118x32 [color=#FFFFFF] |
| RenderBlock (anonymous) at (0,0) size 118x16 |
| RenderText {#text} at (0,0) size 16x16 |
| text run at (0,0) width 16: "a" |
| RenderMultiColumnSpannerPlaceholder at (0,16) size 0x0 |
| RenderBlock (anonymous) at (0,16) size 118x16 |
| RenderText {#text} at (0,0) size 16x16 |
| text run at (0,0) width 16: "b" |
