05 September 2015

283. Move 4 to create 17 squares

Easy Medium Hard Extreme

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.

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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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