challenging puzzles invited by me to solve with techniques invented by me recently

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Joined: 12/14/2008

i am mahadevan s (55 years) from Bangalore India. I invite very hard sudoku puzzles from friends so that I can solve and post them with my hints. I have new technique to any solve that I recently invented on my own.

Hope friends will send the puzzle in EXCEL or Word format.

mahadevan s