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Synopsis: Sujiken(TM) is inspired by Sudoku, the amazingly popular and distracting logic puzzle. A Sujiken(TM) puzzle has a triangular grid of cells containing digits from 1 to 9. You must place a digit in each of the remaining empty cells to determine a unique solution that obeys three simple rules. As with Sudoku, you must ensure no digit is repeated within a row, column or one of the three 3x3 larger squares. Now, however, the diagonal matters. No digit can be repeated along any diagonal and no digit can be repeated in one of the three large triangle regions enclosed with thick borders. Sujiken(TM) is like Sudoku, with a twist. These puzzles offer an entertaining twist on the basic Sudoku concept. You will never look at a Sudoku Puzzle in the same way after solving Sujiken(TM) puzzles.
About the Author: George Heineman grew up solving logic and mathematical puzzles. He turned this lifelong interest in solving challenging problems into a successful career as a professor of Computer Science. He has used Sudoku in class as an example for introductory computer programmers. Based on this experience, he developed Sujiken which adds an entertaining twist on the basic Sudoku concept.
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