WPF Sudoku Grand Prix - Questions and Answers

[Kodyn]

Try to practice on DSM WPF Sudoku Grand Prix!

In our Daily League we are preparing for you these sudoku variants:
18.02.2013 - Between 1 and 9 (practice on DSM WPF Sudoku GP)
19.02.2013 - Equal Sudoku (practice on DSM WPF Sudoku GP)
20.02.2013 - Search Nine Sudoku (practice on DSM WPF Sudoku GP)
21.02.2013 - Arrow Sudoku (practice on DSM WPF Sudoku GP)
22.02.2013 - X-Sums Sudoku (practice on DSM WPF Sudoku GP)
23.02.2013 - Little Killer Killer Sudoku (practice on DSM WPF Sudoku GP)
24.02.2013 - Skyscrapers (practice on DSM WPF Sudoku GP)

http://sudokucup.com/node/1901