This Sudoku first time I saw in

Now this puzzle type is appearing in WPF Sudoku Grand Prix Finals along with Classic Sudoku, Trimino Sudoku, Irregular Sudoku, and Palindrome Sudoku. All of the other types of Sudoku I have already published in this blog. This Double Sudoku, I am republishing as 7th Sudoku under Fun With Sudoku Series, wishing all my friends who are part of this WPF final Best of Luck for finals.

*(Puzzle C4). This puzzle I created for the team India practice. At that time this puzzle was known by the name Duo Sudoku.***World Sudoku Championship 2009**Now this puzzle type is appearing in WPF Sudoku Grand Prix Finals along with Classic Sudoku, Trimino Sudoku, Irregular Sudoku, and Palindrome Sudoku. All of the other types of Sudoku I have already published in this blog. This Double Sudoku, I am republishing as 7th Sudoku under Fun With Sudoku Series, wishing all my friends who are part of this WPF final Best of Luck for finals.

__Rules of Double Sudoku__
Fill in the grid so that every row, every column, and every box 2x4 contains all digits 1 through 4 twice. Cells with the same digits may not touch each other neither horizontally nor vertically.

## 2 comments:

2 1/2 minutes

May 08, 2010Thanks for your timings

May 09, 2010