Flashback #9 – Alphabet Diagonal Sudoku

The finals of that day were quite exciting. The top 5 raced through three puzzles in order; the first was a Thermometers Sudoku then it was a Kenken. This was the 3rd of three puzzles solved during the finals. I had to tweak this several times to get things working. Note that the high school hosting the competition is called Debsirin.

Alphabet Diagonal Sudoku: – Fill in different letters so that no letter repeats in any row, column, bolded 3×3 regions and the two main diagonals.

Nonthaburi, August 2011

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