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The same principle works for our brain functions, we need to train it to keep fit. If you want to stay fit, you have to work out or go to the gym. In his books on the working of the memory and brains, Gary Small, states that our brains age the same way our bodies age. The Memory Bible (2002) and Prescription (2004) Playing number puzzles such as Sudoku, Hidato and Numbrix strengthen your pattern solving abilities. We can replace the numbers with symbols, sounds, smells, situations, shapes and whatever. Improving your associative memory does not only improve your number analyzing skills. Solving Sudoku puzzles is more than numbers In other words: solving Sudoku's with elimination strategies rather than guessing make us smarter. The combination of logic and sequential thinking stimulate our associative memory skills. It is not necessary and even not wise to guess the position of the numbers. Sudoku is not a math puzzle but a logic and intelligence puzzle. Printable and easy for the eyes Sudoku puzzles. We figured out that instead of using our time to write them all down, we better focus on making There are literally hundreds of websites that have superb solving strategies and techniques for solving Sudoku puzzles. There are 2 sixes in our top right regions and this is. The regions and are the marked 3 by 2 areas (3 x 2 equals 6 numbers), whereas in a 9 by 9 grid the regions are 3 by 3

Similar to the row and column rules, each number must be filled in once in each region of a Sudoku grid. Numbers may only appear once in each region.

4! Please note that in case of a 9 by 9 grid, we have to fill in the numbers 1 to 9 in the rows, columns and regions.ģ. Which 2 is wrong? The 2 in position 5 is wrong and needs to be changed to a. Also this is not allowed, as we need to fill in the numbers 1 to 6 once in each row, column and region. Numbers may only appear once in each column. This is not allowed! The first one (in position 3) is wrong and should be a. In this example we have 2 ones in the first row. The numbers 1 to 6 must be filled in each row and column once. In whatever format are divided in rows, colums and regions (marked by a thick black line).

Numbers may only appear once in each row. Playing sudoku daily can boost your concentration, ease depression and even prevent Alzheimer's disease.1. Can you imagine that there are 5,472,730,538 possible sudoku puzzles? The Times in London helped spread Sudoku to Western culture by publishing its first daily sudoku in 2004. Therefore, in the sudoku game, we have to fill in numbers without repetition. What is Sudoku? 'Su' in Japanese means numbers while 'Doku' means single.

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The best part of the game: This free online sudoku game delivers a new puzzle each and every day! Interesting Facts about Sudoku The goal of the game is to fill every square on the grid with a number from 1-9, where the numbers can only appear once in every row, column and 3x3 box. You can place notes, find sudoku tips, manage the timer and save the sudoku game by clicking the menu bar in the top-right corner. Worried about damaging your sudoku puzzle with eraser marks? When you play our free online sudoku game, there's no need! You can choose easy sudoku, medium sudoku, or even sudoku for experts if you are confident.

Free printable sudoku hard