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invitation for very challenging sudoku puzzle

 
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mahadevan



Joined: 18 Nov 2009
Posts: 6
Location: india bangalore
PostPosted: Fri Apr 16, 2010 3:17 am    Post subject: invitation for very challenging sudoku puzzle Reply with quote
i am practising sudoku at INSANE level with ease. I inviteVERY CHALLENGING PUZZLES FROM MEMBERS FOR SOLVING AND POSTING WITH TECHNIQUE I USED.
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Mogulmeister



Joined: 03 May 2007
Posts: 1151
PostPosted: Sun Apr 18, 2010 7:35 am    Post subject: Reply with quote
Have a go at Arjun's genius puzzle:

http://www.dailysudoku.com/sudoku/forums/viewtopic.php?t=4513&sid=da51a3e12d255dec50eca17431547f36
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Edgedweapons



Joined: 30 Apr 2010
Posts: 4
PostPosted: Sat May 01, 2010 3:21 am    Post subject: Reply with quote
Here some Printable "Insane" Sudoku Books

http://www.krazydad.com/sudoku/index.php?diff=IN

enjoy Smile
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