1111 RenderMathMLUnderOver {mover} at (0,0) size 60x37
1212 RenderMathMLSpace {mspace} at (0,6) size 60x31 [bgcolor=#008000]
1313 RenderMathMLOperator {mo} at (7,1) size 46x6
1414 RenderBlock (anonymous) at (0,0) size 13x19
1515 RenderText {#text} at (0,-67) size 13x158
1616 text run at (0,-67) width 13: "^"