Friday, May 22, 2015

Tens Sudoku (Fun With Sudoku #54)


Tens Sudoku puzzle appeared in one of the World Sudoku Championship around more than 5 years back with the name Classic Sudoku with 10. However recent versions of this Sudoku type is named Tens Sudoku. So I am using modern name as this Sudoku type appeared with Tens Sudoku name multiple times. This current Sudoku was created for the preparation of World Sudoku Championship more than five years back when this Sudoku type appeared for the first time.
Rules of Tens Sudoku
Classic Sudoku Rules apply. Additionally, all adjacent cells containing numbers adding to ten are marked. Adjacent cells which are not marked must not contain numbers adding to ten.

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Thursday, May 21, 2015

Toroidal Sudoku (Daily Sudoku League #110)


For me Toroidal Sudoku was the most feared Sudoku in the  Sudoku Mahabharat 2015 Final. I created this puzzle to get comfortable with this Sudoku type before the championship. In fact the Toroidal Sudoku which appeared in Sudoku Mahabharat 2015 Final turned out to easiest one in that round. However at the end of the championship we got to know that this particular puzzle was very tough and 8 new hints were added to make it easy. 
I earlier named this Sudoku as Jigsaw Toroidal Sudoku to differentiate from Classic Toroidal Sudoku. However later I changed it to just Toroidal Sudoku after the feedback received from Prasanna. 
This Toroidal Sudoku is my 110th contribution for The League of Extraordinary Ladies and Gentlemen.
Rules of Toroidal Sudoku
Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and outlined region. Some of the outlined regions wrap between the top and bottom edges, and/or the left and right edges of the grid.

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Tuesday, May 19, 2015

Fun With Puzzles Series


Fun With Puzzles Series
From Last one year I has been publishing only Sudoku puzzles on this website under three different Sudoku Series as mentioned below

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