Riad Khanmagomedov
The official period for "September Sudoku Contest 2023" is over. However, you can participate unofficially using this link.
Your timer will start when you click "Start September Sudoku Contest 2023" — then you will have 75 minutes to solve and submit your answers.
A timer will be shown the answer page with the remaining time.
If you have any questions or doubts or suggestions, please ask in the forum.