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SuDoKu-Cracker - Help Index

 
Rules of sudoku:
The objective is to fill the 9x9 grid so that each column, each row, and each of the nine 3x3 boxes contains the digits 1 to 9.

Solution methods (tips for solving sudoku):
Naked Single
Hidden Single
Naked Pairs
Hidden Pairs
Locked Candidates
X-Wing
Swordfish
Naked Triples & Naked Quads
Hidden Triples & Hidden Quads
XY-Wing
Colors
Multiple Colors


See also:
 ·  Tips (Keyboard/Mouse)
 · Levels of difficulty
 ·  List of Parameters used by SuDoKu-Cracker for batch-making puzzles.



See WIKIPEDIA for more information about sudoku.

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