Sum or Difference Sudoku appeared in World Sudoku Championship 2015 and I prepared this Sudoku for the practice of India Sudoku Team. I am posting for Daily Sudoku League on Thursday. However to post many Sudoku puzzles which I prepared for WSC 2015 practice, I will be posting around 3 times in a week for about a month before coming back to my previous schedule of posting on Thursday.

Coming to today's Sudoku which is Sum or Difference Sudoku, I have prepared two Sudoku puzzles of this type. Today's puzzle contain some big hints in the puzzle immediately giving idea that it represents the sum of numbers. However my another Sudoku puzzle contains only smaller hints in such a way that one has to find it out during solving that whether given hint represents sum or different of the numbers. Soon I will be posting my second puzzle. Hope you will enjoy this puzzle and it is always great to receive periodically feedback about my puzzles. So please do spare some time to give your feedback in the comment section of any post.

I am posting this Sum or Difference Sudoku as my 140th Sudoku in The League of Extraordinary Ladies & Gentlemen.

__Rules of Sum or Difference Sudoku__
Classic Sudoku Rules apply. Additionally the clue outside the grid indicates either sum or difference of the two nearest digits in the corresponding row or column.

Sum or Difference Sudoku (Daily Sudoku League #140) |

Previous Sudoku Touchy Trio Sudoku (Daily Sudoku League #139)

Next Sudoku Inner Frame Sudoku (Daily Sudoku League #141)

Answer of Fun With Sudoku Series Sudoku titled Odd Sudoku (Fun With Sudoku #124)

Next Sudoku Inner Frame Sudoku (Daily Sudoku League #141)

Answer of Fun With Sudoku Series Sudoku titled Odd Sudoku (Fun With Sudoku #124)

Answer of Odd Sudoku (Fun With Sudoku #124) |

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