How to play Sudoku

Sudoku - not only help to spend time, but also to develop the logic and thinking. This is an interesting puzzle game, is actually very easy to solve. We tell you how to play in more detail in this article.

1

Description

• Sudoku - a square, very different sizes, which are the number of involuntarily. This square is distributed into blocks and cells. In each cell there can be only one digit, and some figures may be in the unit.
• We must remember that Sudoku has only one solution.
• To begin with solutions is necessary to pay attention to all the numbers that are in the unit. The numbers are written from 1 to 9, but they must not be repeated in any of blocks (small squares). These figures need to fill in every cell.

2

Beginning of the game

• Solved Sudoku mainly deductive method. The essence of the game to find the right value for each square.
• It begins puzzle clue on the left side, from the top of a square. But you can use the lower, better focus, where large numbers (so it will be easier), at the top or the bottom box.
• Now, the number in each block of the big square, you need to arrange so that they do not recur.
• For example, given a square of 81 minutes the cells of nine units.
• In the first row, from the left, are in every cell numbers "3" and "7" in the second "1", "2", "5". And the third row, "6", "9". Just two empty cell block. So, we can say that there are no such numbers as "4", "8". We arrange the numbers is not enough and convenient way to move to the next square.
• The main task of the game - is to place the numbers 1 to 9 so that they do not recur.
• For convenience, you can write on top of that might fit for a particular cell.

3

levels puzzle

• This addictive puzzle game has several levels of difficulty. Better to start with the most simple. For example, the most simple level, in the block is necessary to place all the missing numbers 1-3, and in the more difficult levels of 5-7 digits.
• In addition, the game can have completely different gaming squares, both small and large. Also, a puzzle may contain additional conditions, such as a puzzle solution diagonally.
• The Sudoku's game, which came to us from Sunny Japan for a long time remains a popular puzzle, which can be found everywhere. In a special application on the phone, on a computer, in the newspaper. In the book kiosks you can purchase whole collections of this puzzle.

4

Methods of addressing Sudoku

There are many methods for solving a puzzle. Consider some of the easiest solutions. The method is called the "last hero".

1. We consider the last, lower left square.
2. We have only four free cells.
3. Consider whether it is possible to put the number 8 in the H cage
4. We look at four surrounding cells: the G5 cell closes the G1 and G2, it means you can safely put the number 8.

The next, also very simple method, is called "no choice". To use this method, it is necessary:

1. View the left square from top to bottom. View all available numbers.
2. We begin the solution from the upper left corner. Example is worth 2.
3. The digit "4" in the G3 field closes the third cell of the block A, and another number "4" is prohibited for the repeat on the cells A4 and A6. So, the digit must be put in the A2 cell.

Sudoku is often referred to as a magic square, and indeed, it is sometimes impossible to guess than this fascinating and popular game will end.