Sudoku fun

Sudoku is one of the exciting puzzle game and harmful like.also need to fill out a 9 × 9 grid with numbers so that each row, column and 3 × 3 section contains all the digits from 1 to 9. As a logic puzzle, Sudoku is a great game to use the mind. Games that help you improve the mind, improve IQ, ... The goal of Sudoku is to fill a 9 × 9 grid with digits so that each column, row, and 3 × 3 section contains the numbers 1 to 9. When starting the game, 9 × 9 grid will have a some of the squares fill. Your job is to use logic to fill in the missing letters and complete the grid. Do not forget, this is a move incorrectly if: * Any products containing more than one of the same number 1-9 * Any columns that contain more than one of the same number 1-9 * Any 3 x 3 grid contains more than one of the same number 1-9 The game consists of 3 levels of the game: * Easy * Normal * Hard