Non-Consecutive Sudoku: A Compendium
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Non-consecutive Sudoku puzzles look like your ordinary Sudokus. However, there is one extra rule: two consecutive numbers MUST NOT be placed next to each other (horizontally or vertically).
This makes the puzzles even more thrilling and requires you to use some new solving techniques.
This book contains 150 of these puzzles in different shapes and sizes: standard, Samurai, TwoDoku, Double Sudoku, Sudoku X, Flower, Butterfly, Ring and even Killer Non-Consecutive Sudoku!