Every cell is a part of a cage indicated by colors.

How to solve sudoku rules. Each column must contain all numbers from 1 to 9. You know that each block row and column on a Sudoku board must contain every number between 1 and 9. Rules how to solve Sudoku In order to get the right decision you need to take into account a few simple rules.

Each row must contain all numbers from 1 to 9. Sudoku is played on a grid of 9 x 9 spaces. The third is to consider the total value of a region.

Sudoku is a puzzle based on a small number of very simple rules. Once you know one value of any cell along a thermometer you know all the other cells towards the bulb must be a digit of lower value and all the other cells higher up the thermometer must be digits of higher values. Dont forget about the regular sudoku rules.

The objective of Sudoku is to fill a 9x9 grid made of squares shown above circled in blue so that each row each column and each full 9x9 square use the numbers 1-9. Use the thermometers to help reduce the possible digits for certain cells where regular sudoku rules have left you with multiple possibilities. In this step-by-step guide you will rep the following benefits.

You will need to solve naked singles hidden singles a naked pair and two locked candidates first. The scanning technique is fast and usually sufficient to solve easy puzzles all the way to the end. This means that the entire puzzle should be able to be solved without guessing that means you can use deductive reasoning based solely on which numbers are already in place within each row column or square to figure out which numbers should go in which empty spaces.

The first is to use the strategies for solving regular sudoku puzzles. Fill in the empty cells in the column row and block No repeats are allowed in any row column or block Use all nine numbers in each row column and block. - Get useful tips in solving Sudoku.