Sudoku Game

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Sudoku is a popular logical game with easy rules. In this game you will be given a grid of numbers and you should finish the grid by putting numbers into it. The numbers in a row or column or group cannot repeat, you can use your logical thinking to deduce what number should be in a given place. This puzzle provides excellent training for the logical mind.

Sudoku Tips

Basic Strategy

There are two basic strategies that you can use:

1) Find the only possible position of a number in a group (or row, or column), e.g.:

In the third group, consider the only possible position of the number 9:

As the first two rows of this group already have 9's, the only possible position of a 9 in this group is in the remaining block of the third row:

2) Find the only possible number that can appear in a block, e.g.:

Consider the highlighted block:

It cannot be 2, 3, 4, 5 (because they are in the same group), it cannot be 6, 7, 8, 9 (because they are in the same row), the only possible number is 1:


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