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Though likely written somewhere in this site already: Two or three of the same candidate forming a line in a region eliminates that candidate as a possibility
Illustrative Sudoku tips teach you how to solve difficult Sudoku puzzles and games. Learn techniques that will make you a pro.
Solve hard Sudoku puzzles in less time using the links method. Don't be stumped. Download the free Links Method eBook by Gus Coyote and discover a new method that will help you be a better solver.
Sudoku! Everything you need to know about this addictive puzzle. Come for the knowledge. Stay for the fun.
Fast, focused, head-to-head Sudoku action. Timed, of course - the pace is competitive. Bragging rights are up for the puzzler who finds their numbers first
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Du-KO - A Sudoku board game that brings families together! What was once an individual game, now can be played by 1 to 9 players. Competitive, challenging, fun!
Don't download or buy Sudoku Dragon until you read my Critical Sudoku Dragon Review. Discover the truth about this Sudoku program.
Sudoku Savant, the popular online game, is now available for any system that can run Adobe Air applications including Windows, Macintosh, and Linux! Read my review!
Suppose you have solved three cells in a row (or column) within a region. (Rows with letters, from top; columns with numbers from left.) For instance,