Japanese puzzle solver

This web app solves Japanese puzzles, so-called nonograms, within (milli)seconds. It demonstrates Stelling Consulting's capabilities to develop both software and case-specific, advanced solvers.

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Which cells should become black?

Enter puzzle manually

Press Clear all.
Click above on a white puzzel cell, select number, then press enter to close input box.

Import puzzle

Each line in below text area contains block lengths separated by semicolon. Top lines are rows input. Bottom lines - below word COLUMNS - are columns input. Initial content is Example 1.

Import puzzle