Size: 20 x 20. Complexity: 3/5.
Fun Fact About 1
In 1987, Non Ishida, a Japanese graphics editor, won a competition in Tokyo by designing grid pictures using skyscraper lights that were turned on or off. Coincidentally, a professional Japanese puzzler named Tetsuya Nishio invented the same puzzles.
Nonogram is a picture logic puzzle. Your goal is to reveal a hidden image. See How to play Nonograms.
Well done! You successfuly completed this puzzle!