Try to practice on U.S. WPF Sudoku Grand Prix!

We are preparing for you these sudoku variants in our Daily League:
20.05.2013 - Consecutive Sudoku
21.05.2013 - Arrow Sudoku
22.05.2013 - Thermo Sudoku
23.05.2013 - Dynasty Sudoku
24.05.2013 - Property Sudoku
25.05.2013 - Jigsaw Sudoku
26.05.2013 - Killer Sudoku

http://sudokucup.com/node/1901?typ=varianty