You can now easily solve, generate and print 4x4, 9x9, 16x16 and 25x25 Sudoku puzzles all from one app! Simply select your desired Sudoku puzzle size, enter your Sudoku puzzle that you want to solve, and the application will return the solution. In addition, you can set the 16x16 puzzle use a hybrid of characters from 1-G or, alternatively, A-P. You can also generate puzzles with ease by simply setting the desired board size and using the generate button. In addition to the solving and generating features of the app, it comes with built in printing functionality so you can print the puzzle or solution that appears on your current board.