or solve online (using our beta test of Penpa-Edit tools)
Theme: Countdown to 2013 – this theme is primarily visual, unlike Dr. Sudoku’s earlier Countdown sudoku theme here.
Answer String: Enter the 3rd column from top to bottom, followed by a comma, followed by the 7th column from top to bottom.
Time Standard: Sudoku Master = 2:10, Expert = 6:30, Novice = 21:00
Note: Follow this link for other classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on. More classic Sudoku puzzles can be found in The Art of Sudoku, The Art of Sudoku 2 and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.