## In this context, it will appear classical sudoku and some Sudoku variants, all both in 6x6 and 9x9 grids. This test is based on a theme called, Renban Groups. In all Sudoku Grids, there will be several Renban Groups. Each Renban Group is a set of grey-painted cells connected to each other, either orthogonally or diagonally. Each Renban Group must hold distinct consecutive digits, in any order. Renban groups may cross across 3X3 boxes / 2X3 boxes /irregular regions.

## Renban Group?

- Each Renban Group is a set of grey-painted cells connected to each other, either orthogonally or diagonally. Each Renban Group must hold distinct consecutive digits, in any order. Renban groups may cross across 3X3 boxes / 2X3 boxes / irregular regions.

## Sudoku Types

## Author

- Zafer Hüseyin Ergan is a puzzle enthusiast from Turkiye. He had become a puzzle fan for about ten years. His favorite puzzle types are optimization puzzles and sudokus.

## Timing

You may start "Renban Grouped Sudokus" at any time during the 48-hour period listed above.

Your timer will start when you click "Start Test" — then you will have exactly 100 minutes to solve and submit your answers. A timer will be shown on the answer page with the remaining time.

Submission is not allowed after the specified end time — you must start early enough to permit yourself enough solving time. "Show cells to fill" will be activated after 40 minutes.

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