This is one of my favorite puzzles. This is as addictive as Sudoku. When I started solving logical puzzles and participating in puzzle competitions, the Heyawake puzzle was one of the classic puzzle types, and it used to be part of any puzzle championship. This is an easy puzzle that I created in my earlier days of puzzle creation. This puzzle can be used to understand the rules of Heyawake.
Rules of Heyawake
1. The rectangle, divided by bold lines, is called "Room". Paint cells under the following rules.
2. Each number indicates how many painted cells are in this room. While no number of rooms may contain any number of painted cells.
3. White cells must not exceed two rooms in a straight line.
4. The painted cells must not be connected. White cells must not be separated from painted cells.
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| Heyawake Logic Challenge |
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