You represent possible numbers for each cell by using pencil marks based on the information you have at hand. You’ll run out of possible numbers to lock in for certain unless you complete a grid designed for beginners.īy this time, you will know which candidates for various cells may be suitable. The fifth step involves jotting down suitable numbers Additionally, this rule also eliminates the possibility that the first two rows of the top left box may also contain a 2.Īs a result, only the bottom right cell of the top left box is left for the 2. Since we added 2 in step 3, we can no longer use 2 in the middle column of the box. The more the grid is filled in with single-digit numbers, the more it will help to ‘lock in’ other numbers to additional squares.īy adding the 2 to the 9*9 box on the bottom left, we also signaled the location of the 2 in the top left box, which is highlighted below in the bottom-right cell. This is a Trick for Beginners who want to know how to play Sudoku The fourth step is using your filled-in numbers to reveal more squares Last but not least, 4, 6, and 7 are not suitable since they appear in the same row as the highlighted square.Īs a result, 2 is the only number that fits in this square. Due to their placement in the same column as the highlighted square, numbers 3 and 5 cannot fit. It is impossible to fit the numbers 1, 8, and 9 into the highlighted square since they already occupy a box. In other words, squares where only one number can fit without breaking any rules.įor instance, only the number 2 can be placed into the square below. Specific numbers will be locked into specific squares depending on how challenging the puzzle is. There are some squares in a sudoku puzzle that already have numbers in them when you start. The third step is to find squares where only one number can be written The rule is that no number can repeat itself within a 3×3 box, row, or column. The numbers from 1 to 9 will appear in every row, column, and 3×3 box exactly once, once the puzzle is solved. There is only one instance of each number from 1 to 9 in each horizontal row.Only one of each number 1-9 can appear in each vertical column.Each number from 1 to 9 can only appear once in a 3×3 box.The second step is to know the rulesĮssentially, Sudoku has just a few simple rules: The sudoku grid has 81 squares, and after the puzzle is complete, every square will have exactly one number. Sudoku puzzles are composed of a 9×9 grid of squares divided into 3×3 boxes. To begin, you must understand the sudoku grid
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