150 of theBest HardSudoku PuzzlesThe goal of the game is to complete the grid 9×9 with the use of numbers in such a manner that each column, row and 3×3 area consists of all the numbers between 1 and 9. When you start the game you will find some of the squares already filled in the grid of 9X9.Your job is to use your logic in order to complete the grid by filling in the missing numbers. Remember, your move is not correct if...1) Any row consists of a number that is repeated from the numbers 1-92) Any column consists of a number that is repeated from the numbers 1-93) Any grid of 3×3 consists of a number that is repeated from the numbers 1-9For beginners learning this game can be bit time consuming. So if you are a beginner follow the simple tips to improve your game...1) Look for columns, rows and grids of 3×3 that consist of 5 or more than 5 numbers. Try working out through the rest of empty cells; try the numbers that you have not used.2) Break the grid into 3 rows and 3 columns. Each big column will consists of three, 3X3 grids and each row will have of three, 3X3 grids.