Posted by jake on Saturday, March 12, 2011 at 6:40pm.
There are 6 cm^2 of surface for every cube. So if there are only 22 cm^2 for 5 cubes, there are 8 cm^2 of surface hidden between cubes, or 4 contacts between cubes.
So the 5 cubes can make up any shape as long as there are 4 contacts altogether, such as a rod, or a letter T, a letter L, etc.
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