The diagonal Sudoku puzzle is known by many different names. It is known as X Sudoku or Sudoku X which is a very known type. Recently I was solving a Sudoku book and I found that name Extreme Sudoku is used for Diagonal Sudoku. My first reaction after looking at the name Extreme Sudoku was that it is a very tough Classic Sudoku. However, later I found that Extreme Sudoku is nothing but Diagonal Sudoku. I have been using the name Diagonal Sudoku for this Sudoku type. However, let me sometimes use different names to make readers here aware of different names used across different places in the world for the same Sudoku type.

This Extreme Sudoku puzzle, which I am posting in the Fun With Sudoku Series, is the 131st Sudoku puzzle in this series. Can you solve this Sudoku puzzle?

## Rules of Extreme Sudoku

Extreme Sudoku (Fun With Sudoku #131) |

Next Sudoku Odd Even Sudoku (Fun With Sudoku #132)

Solution of Daily Sudoku League puzzle titled Little Killer Sudoku (Daily Sudoku League #144)

Solution of Daily Sudoku League puzzle titled Little Killer Sudoku (Daily Sudoku League #144)

Little Killer Sudoku (Daily Sudoku League #144) Puzzle Solution |

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