30 July 2016
414. Add 4 to create 10 squares
Add 4 matchsticks to the layout above to form 10 squares. All matchsticks do not have to be flat on the surface and all squares don't have to be equal in size.
There are 4 squares of size ½X½, 5 of size 1X1 and 1 of size 2X2.
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