I don’t think I’ve ever posted a puzzle like this one. Yes it is essentially a Killer puzzle. Yes, it’s also an overlapping sudoku puzzle, Gattai-2 (TwoDoku). But it also has some similarity with Calcudoku puzzles, because you must use all four operators (+, -, *, /).
Killer TwoDoku with all ops for Tuesday, February 2, 2010 – Difficulty: BRAIN.
Click on the puzzle thumbnail to access the puzzle.
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