Nonograms Pro is an excellent Windows 10 application to solve logic puzzles also known as Griddlers, Hanjie, Picross, Japanese Crosswords, Japanese Puzzles, Pic-a-Pix and other names.
The goal is to find out the position of black blocks using hints. A correct solution reveals a hidden picture.
More information about nonograms can be found here: http://en.wikipedia.org/wiki/Nonogram
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