en.wikipedia.org/wiki/Sudoku_solving_algorithms

A standard **Sudoku** contains 81 cells, in a 9×9 grid, and has 9 boxes, each box
being the intersection of the first, middle, or last 3 rows, and the first, middle, ...

en.wikipedia.org/wiki/Sudoku

**Sudoku** (数独, sūdoku, digit-single) (/suːˈdoʊkuː/ ( About this sound listen), /-
ˈdɒ-/, /sə-/, ..... The general problem of **solving Sudoku** puzzles on n^{2}×n^{2} grids
of n×n blocks is known to be NP-complete. Many computer algorithms, such as ...

www.sudoku-solutions.com

This **solver** offers a number of features to help you improve your **solving** skills and
practice **solving** strategies. First enter the numbers of the **sudoku** directly in the ...

www.sudokuwiki.org/sudoku.htm

**Sudoku Solver** by Andrew Stuart. Shows the logic behind solving Sudoku square
by square.

solvemysudoku.com

The fastest online **sudoku** puzzle **solver**. Enter your puzzle and have the solution
instantly.

www.sudokupuzzler.com/solver

Enter your Sudoku puzzle below, and click Solve. This **Sudoku solver** will solve
most difficult Sudoku puzzles, though not all. This **Sudoku solver** does not use ...

www.websudoku.com

Play unlimited **Sudoku** online from Easy to Evil. Compatible with all browsers,
iPad and Android. Provider of **Sudoku** puzzles for newspapers and other ...

rubyquiz.com/quiz43.html

This week's Ruby Quiz is to write a **solver** that takes the puzzle on STDIN and ...
However, some seem to consider **Sodoku** a slightly different form of the game ...

www.sudokusaviour.com/solver.php

**Sudoku** Saviour, helping you **solve** your **sudoku** puzzles.