PlaySudoku.us
Expert · Puzzle #549
5
2
3
2
9
1
1
7
8
4
3
5
5
3
2
9
2
4
7
8
1
9
5
4
7
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