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Expert · Puzzle #433
4
2
5
7
6
9
7
8
7
9
1
8
1
2
8
5
3
5
3
2
2
8
9
The first modern Sudoku puzzle was published in 1979 by Howard Garns in Dell Pencil Puzzles & Word Games.
The first modern Sudoku puzzle was published in 1979 by Howard Garns in Dell Pencil Puzzles & Word Games.
"An expert is someone who has made all the mistakes which can be made in a very narrow field." — Niels Bohr
"An expert is someone who has made all the mistakes which can be made in a very narrow field." — Niels Bohr