Thursday, August 04, 2005
For those quiet moments, an online monthly Sudoku competition. For those that don't know about Sudoku, it is a 9x9 grid and there is only one rule " Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9". Sounds easy but in fact can take a couple of hours to solve the difficult ones !
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