Harakiri soduko X puzzle

Harakiri Sudoku X

January 25, 2006

Yet another – first ever – puzzle from Perfect Sudoku – Sudoku Harakiri X!

Basically, it’s a double Samurai Sudoku puzzle: 8 classic sub-puzzles, which of course don’t have their own (unique) solutions but all together constitute a puzzle with a single solution. This time, however, you must also pay attention to diagonals: ALL diagonals in the puzzle must contain all numbers from 1 to 9. The diagonals are marked in the puzzle so you wouldn’t forget them.

Thoughts and comments are most appreciated (as always)!

Solution – first step


Harakiri Sudoku X.

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