The puzzle below is a current daily puzzle. This puzzle is competitive - you have to register to solve it and participate in the daily competition. To register click Login link in the top right corner.

You can use the scores page to see the results of other competitors for this puzzle.

All the puzzles from the previous days are available at our archive page. Puzzles which are older than 5 days do not affect score table and can be attempted without registration.

Paint by Max

Author: Vladimir Portugalov

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Paint all cells of the grid into two different colors. Numbers on the top and at the left show the maximum length of block of the cells of dark color in the corresponding row or column. Numbers at the right and in the bottom show the maximum length of blocks of the cells of light color.

Example puzzle

Grid control: Click the mouse button at the selected cell to change the color of the cell. More details about grid control are at the help page.