Pure Sudoku description:
Sudoku is a placement puzzle, also known as Number place in the United States.
The aim of the puzzle each cell of the grid to enter a number between 1 and 9,9A 9 3A the most common network3 ‘regions’ (‘givens’), starting with various numbers given in some cells.
Each row, column and region must contain only one instance of each number.
Complete the puzzle requires patience and modest logical ability.
Classic grid layout is reminiscent of other newspaper puzzles like crosswords and chess problems.
First published in the United States, Sudoku became popular in 1986 in Japan originally, and has gained international popularity in 2005.
Play SuDoku now on your computer, forget the pen and paper.