How to Use
- Fill the grid with numbers 1-9. Empty cells can be left blank.
- Use the up/down arrow keys to change numbers in each cell quickly.
- Click "Solve" to automatically solve the puzzle.
- Click "Clear Board" to reset the grid.
- Toggle between dark and light mode using the button above.
Sudoku Rules
- Each row must contain the numbers 1-9 without repetition.
- Each column must contain the numbers 1-9 without repetition.
- Each 3x3 block must contain the numbers 1-9 without repetition.