Diagonal Sudoku puzzle is known with many different name. It is known with X Sudoku or Sudoku X which is very known type. Recently I was solving a Sudoku book and I found that name Extreme Sudoku is using for Diagonal Sudoku. My first reaction after looking the name Extreme Sudoku was that it is 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 the different name to make readers here aware of different names used across different places in the world for the same Sudoku type.

This Extreme Sudoku puzzle, I am posting in Fun With Sudoku Series. as 131st Sudoku puzzle in this series.

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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