Sudoku
Sudoku Instructions
Sudoku is played on a 9x9 grid, which contains 9 smaller 3x3 grids. The object of the game is to fill all of the empty cells with numbers 1 through 9 according to the following rules:
- Each number must only appear once in each horizontal row.
- Each nuumber must only appear once in each vertical column.
- Each number must only appear once in each smaller 3x3 grid.