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A short session in mental calisthenics.

Here’s another programming-related sudoku puzzle.

It uses letters rather than numbers, but otherwise it works just the way you expect. Your task is to fill in the empty cells so that every row, column, and each of the 3x3 squares contains one each of the nine letters you’ll find in the cells already filled in.

Oh, one more thing. When you finish the sudoku, rearrange those nine letters to spell a name that should be familiar to every programmer.

And the name is: _ _ _ _ _ _ _ _ _ .

Solution right here next issue. Or on Twitter right now, no doubt.

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Solution to Last Month’s Puzzle

And the secret word is: COMPUTING.