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'"qN/{__Sm0=#>}%N*"=
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'"qN/{__Sm0=#>}%N*

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$

_W=Af{1$Am4/N/f{S*N}}

"Step 1 - Stack the presents against a wall";
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"Step 2 - Identify the presents as a collection of presents";
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"Step 3 - Sort on height & width, with presents stacked against a wall to help sort them";
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"Final step - stack them like a Christmas Tree";
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|εðÛ}»¶'=.ø0'=.ø:0¡{».c