Rules & Strategy

 

Rules  

Strategy

 

RULES

The rules of Sudoku are simple. You have to fill in the empty cells with numbers 1 - 9.  Each row, column, and 3x3 box should contain the numbers 1 - 9 without repeating.

Here is a puzzle:

 

Here is it's solution:

 

Notice each row, column, and 3x3 box only has one occurrence of each digit from 1 - 9.

The first row:

 

The first column:

 

The first 3x3 box:

 

To see how to solve a Sudoku puzzle step by step view Lesson 1 - Simple Step by Step Solution under the Strategy section.

 

STRATEGY


Basic Strategies

Lesson 1 - Simple Step by Step Solution     Solves a 100 Level puzzle from start to finish. (requires flash plug-in)
 

 

 

 

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