Thursday, January 22, 2015

Eliminate Sudoku (Daily Sudoku League #86)

Eliminate Sudoku type first time I saw in 9th World Sudoku Championship 2014. This Sudoku I created for the practice of Indian Sudoku team.
I generally able to create most of Sudoku in my first attempt. However this Sudoku took 3 attempts to make is correct. My first version has all the arrows given in heart shape, but it did not worked. I tweaked some of the arrows and later found that now my Sudoku was not unique. Then I tried to exchange some numbers which made this Sudoku wrong and this mistake was found by Prasanna during his testing of this puzzle. In my next attempt I removed some of the conflicting arrows. Removing some of the arrows made this puzzle correct as well as little more tough. This puzzle is having very narrow solving path and so I will rate it tough.
This Eliminate Sudoku is my 86th contribution for The League of Extraordinary Ladies and Gentlemen.
Rules of Eliminate Sudoku
Classic Sudoku Rules apply. Additionally numbers placed in cells with arrows must not repeat in the corresponding direction.
Eliminate Sudoku (Daily Sudoku League #86)
Eliminate Sudoku (Daily Sudoku League #86)

Next Daily Sudoku League Puzzle: Word Search Sudoku

Solution of Classic Sudoku (Fun With Sudoku #49)
Classic Sudoku (Fun With Sudoku #49) Solution
Classic Sudoku (Fun With Sudoku #49) Solution

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