Description: Enter all the correct numbers to complete the puzzle. Sudoku is played over a 9x9 grid, divided to 3x3 sub grids called "regions". Sudoku begins with some of the grid cells already filled with numbers. The object of Sudoku is to fill the other empty cells with numbers between 1 and 9 (1 number only in each cell) according the following guidelines. Number can appear only once on each row and column. Number can appear only once on each square region.

Instructions: Use mouse.