To solve a sudoku puzzle, simply fill in the squares with a number from 1 to 9. You need to follow three rules when writing in numbers. | |

First every column must contain only one of each number from 1 to 9. | |

Second every row must contain only one of each number from 1 to 9. | |

Third, every 3 x 3 box must contain only one of each number from 1 to 9. | |

If you fulfill all three conditions and fill in all spaces, then you have succeeded! |