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Thursday, July 17, 2014

Group Sum Sudoku (Daily Sudoku League #44)

When Indian team came back after attending World Puzzle Championship in year 2005 which was held in Eger, Hungary, we were very much impressed with the puzzle creation skills of Hungarian puzzle creators.  We got inspired to start leaning art of puzzle creation. Some of us in India formed a yahoo group and started creating one puzzle on the weekly basis and publish it in yahoo group and others on the group will solve it and give feedback, so that everyone can learn the art of puzzle creation. This is the puzzle I created in March 2007 being the part of that yahoo group. This Sudoku type appeared in Indian National Sudoku Championship 2007. After that it also appeared in World Sudoku Championship 2008 at Goa India. This was most feared Sudoku type of any of the championship in which it appeared.  This puzzle type appeared again recently in Times Sudoku Championship 2014 Mumbai finals. 
Feedback which I received for this particular puzzle was quite good, so I am publishing this puzzle as part of The League of Extraordinary Ladies and Gentlemen as my 44th contribution.
Rules of Group Sum Sudoku
Classic Sudoku Rules apply. Additionally, the number in each circle indicates the sum of the digits in the cells covered by the corresponding circle.
Group Sum Sudoku Example
Group Sum Sudoku Example
Group Sum Sudoku (Daily Sudoku League #44)
Group Sum Sudoku (Daily Sudoku League #44)
Trimino Sudoku (Daily Sudoku League #43) Solution
Trimino Sudoku (Daily Sudoku League #43) Solution




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