Sudoku Pro funktioniert nicht

Our Sudoku game includes over 40000 classic Sudoku titles and sets six difficulty levels, making it suitable not only for beginners but also for advanced or higher end players.  We have also developed powerful intelligent prompts that include over a dozen common Sudoku puzzle solving techniques, and all Sudoku puzzles can be solved using these techniques.  Whether you want to relax, stay mentally active, or even exercise your logical and reasoning abilities, you can participate in a few free Sudoku puzzle games.  Sudoku Pro: Number Puzzle Game is a popular number puzzle game.  The goal of Sudoku games is to fill the 9x9 grid with numbers, so that each column, row, and 3x3 sub grid contains numbers between 1 and 9.  Start your wonderful day with a Sudoku Adventure by Number Pro!  At the beginning of the game, there will be some squares in the 9x9 palace that have already been filled with numbers.  What you need to do is to use logic to fill in the missing numbers and complete the grid.  Intelligent prompt - unable to solve?  Download this classic number logic game and enjoy free Sudoku puzzles.