sudoku diagonals curious propertie logic ?

Programs which generate, solve, and analyze Sudoku puzzles

sudoku diagonals curious propertie logic ?

Postby khanh » Wed Aug 24, 2005 12:39 pm

Why the 2 sudokan's diagonals have always at less 2 equals elements between 1 to 9 each other ?
Who can proof this ?
Conjecture : Each sudokan's diagonal contains at less 2 same elements .
:!:
khanh
 
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Postby Dusty Chalk » Wed Aug 24, 2005 7:59 pm

Actually, someone recently posted a variant (Magic Sudoku -- I can't find it now) which, when solved, followed the rules of a solved Sudoku grid and had a different digit for each place in both diagonals.
Dusty Chalk
 
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