Engage your brain!

Bored of listening to lectures all day? Why not try these fun Sudoku puzzles to utilize your brain to its full capacity?

For beginners, try this easy puzzle to learn the ropes!

http://coloringkids.org/wp-content/uploads/printable-sudoku-puzzles-2.gif

For the Sudoku expert, challenge yourself with this hard puzzle!

http://upload.wikimedia.org/wikipedia/en/1/17/Sudoku_puzzle_hard_for_brute_force.jpg