# Daily Sudoku Puzzles

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9

### How to Play

1. Touch or click on a cell to select it.
2. Use the large number grid below the puzzle to enter a number for the selected cell.
3. Use the smaller numbers to place pencil marks if needed.
4. Press and hold a pencil number to add that number to the selected region to save time.
5. Share the puzzle with your friends!

### How to solve Sudoku Puzzles

1. Each row and column in the puzzle must have one of each number 1-9.
2. Each region in the puzzle (the square areas with a thicker border) must also have one of each number 1-9.
3. No row, column, or region can have duplicate numbers.
4. Using only logic and no guessing, fill in the missing numbers using these contraints.

### Strategies

1. The puzzles created for this app can sometimes be tricky. If you're a beginner and have solved one, you are no longer a beginner!
2. Use pencil marks to show where a number could possibly be in a cell. Sometimes deductions can be made from patterns in the pencil marks.
3. If a number can be anywhere in a region, press and hold on the pencil mark number to add it automatically to all the cells. This saves having to manually place each one.
4. Mistakes will be marked as a red number to prevent having to undo multiple steps.
5. You'll be presented with a win screen when the puzzle is solved. Share it with your friends!
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