05 September 2015
283. Move 4 to create 17 squares
There are 9 squares in the figure above. Move 4 matchsticks to create 17 squares. The squares don't have to be equal in size.
There are 12 squares of size 1X1, 4 squares of size 2X2 and 1 square of size 3X3.
There are also other solutions.
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