Another name Frame Sudoku is known as is Outside Sums Sudoku. I am previously published this type of Sudoku puzzles with the name Frame Sudoku. However this Sudoku type is appearing in World Sudoku Championship 2015 with the name Outside Sums Sudoku, so I will be publishing this Sudoku with Outside Sums Sudoku name itself. As I told that this Sudoku type is appearing in this year's World Sudoku Championship and hopefully this Sudoku puzzle will provide some practice for preparing for WSC.

I am publishing this Outside Sums Sudoku as my 117th Sudoku in Fun With Sudoku Series.

__Rules of Outside Sums Sudoku__Outside Sums Sudoku (Fun With Sudoku #117) |

Next Fun With Sudoku Series puzzle Rossini Sudoku (Fun With Sudoku #118)

Answer of Daily Sudoku League puzzle titled Sum or Difference Sudoku (Daily Sudoku League #140)

Answer of Daily Sudoku League puzzle titled Sum or Difference Sudoku (Daily Sudoku League #140)

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

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