PAT keyhole question

[superdmd30]

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Can anyone explain the answer's of this question?

thanks.

 

[Kobebucsfan]

picture is too small but anyways

its actually L shapes, look at the bottom middle cube

there are stairs on top left and bottom right

L shaped

 

[superdmd30]

picture is too small but anyways

its actually L shapes, look at the bottom middle cube

there are stairs on top left and bottom right

L shaped

Sorry, I am not used to captured images and upload. Thanks for your help!

 

[hl4jn]

Also, look at the solutions that they give - they really make you have "OH!!!" moments hahahaha.