challenging puzzles invited by me to solve with techniques invented by me recently
Sat, 04/03/2010 - 08:13
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
