Unique puzzle

Programs which generate, solve, and analyze Sudoku puzzles

Unique puzzle

Postby tarek » Mon Jan 30, 2006 3:30 pm

Just to make sure that no puzzles are actually the same in my database, I've tried to adopt the methods that would ultimately reconfigure the puzzle to produce a Normalized (I'm not sure what the proper word is), similar to what groyle has used in his minimum sudoku.

does anyone know what factors determine Transposing the matrix (Exchanging rows and columns) or not?
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