Sudoku puzzle

Features Sudoku puzzle

New design Sudoku GameSudoku,originally called Number Place, is a logic-based, combinatorial number-placement puzzle.
The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid (also called "boxes", "blocks", "regions", or "subsquares") contains all of the digits from 1 to 9.
The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a unique solution.
Completed games are always a type of Latin square with an additional constraint on the contents of individual regions.
For example, the same single integer may not appear twice in the same row, column, or any of the nine 3×3 subregions of the 9x9 playing board.
Features:● 3 difficulty levels● Auto-fill,and also you can shut this feature● Check errors● Clear notes● Auto-save
Have fun!