If the left image shows a leftward-ascending staircase with a square light-colored wood-grain post at the bottom.
return staircase ;return #1 that is leftward-ascending ;return bottom of #2 ;return post ;return #4 that is square ;return #5 that is light-colored ;return #6 that is wood-grain ;return #7 at #3 ;return #2 with #8 ;return if  #9 is in  the  left image
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