Creates, saves, solves, and prints Sudoku Puzzles. Puzzles can be selected as easy, moderate, or difficult. Puzzles from another source (such as a newspaper) can be entered and solved on the computer. A different puzzle is generated every time. There are no duplicates. Puzzles can be printed and solved by pencil and paper or by using the program. Hints can be provided if desired. The program can solve any Sudoku puzzle in a matter of seconds.