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.

Sudoku

Author: Vladimir Portugalov

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Fill in the grid with digits from 1 to 8 putting one digit per a cell. Each row, column and outlined area should contain every digit exactly once.

Example puzzle

Grid control: Click at a cell reveals the value chooser. Click at the selected value changes the state of the cell. More details about grid control are at the help page.