![]() To find out which numbers are missing from each row, column or block or if there are any duplicates, the player can simply count or flex their math skills and sum the numbers. Rule 4 - The sum of every single row, column and nonet must equal 45 In practice, this means that the process of filling the rows and columns without duplicated digits finds inside each block another restriction to the numbers’ positioning. The numbers from 1 to 9 can only occur once per nonet. Rule 3 - The digits can only occur once per block (nonet)Ī regular 9 x 9 grid is divided into 9 smaller blocks of 3 x 3, also known as nonets. The numbers allocated at the beginning of the puzzle work as clues to find which digits are missing in each column and their position. The player must also fill these with the numbers from 1 to 9, making sure each digit occurs only once per column. The Sudoku rules for the columns on the grid are exactly the same as for the rows. Rule 2 - Each column must contain the numbers from 1 to 9, without repetitions ![]() The player should use these numbers as clues to find which digits are missing in each row. The placement order of the digits is irrelevant.Įvery puzzle, regardless of the difficulty level, begins with allocated numbers on the grid. The player must focus on filling each row of the grid while ensuring there are no duplicated numbers. Rule 1 - Each row must contain the numbers from 1 to 9, without repetitions The challenging part lays on the restrictions imposed on the player to be able to fill the grid. The goal of this game is clear: to fill and complete the grid using the numbers from 1 to 9. To play Sudoku, the player only needs to be familiar with the numbers from 1 to 9 and be able to think logically. It is precisely their simplicity that makes finding the solution and solving these puzzles a true challenge. Sudoku rules are simple and straightforward.
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