Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 185)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 185)

Change: ACottrell republished the May 18 2006, 6:56 PM EDT version by Puzzle_Maniac Jul 19 2006, 2:35 AM EDT

Change: How to play: Fill in the squares so that every row, column, and box contains all of the numbers 1 to 9 only once. And that is the deceptively simple rule of sudoku. Finding the solution requires   View changes from previous version. (Word count: 82)

Change: (see below) divided into 81 squares, arranged as nine horizontal rows and nine vertical columns. The grid can also be divided into nine boxes, arranged three by three, like a tic-tac-toe board, each containing nine squares. A section is a horizontal or vertical cluster of three boxes.   View changes from previous version. (Word count: 185)

Change: 9 only once. And that is the deceptively simple rule of sudoku. Finding the solution requires only logic. No math is involved. And you should never guess (ideally) to fill in a square. See also:ResourcesSolving StrategiesSources for Puzzles Sudoku TriviaThe History of Sudoku   View changes from previous version. (Word count: 177)

Change: Created by Puzzle_Maniac May 18 2006, 3:43 PM EDT for: no reason given