4
3
1
8
6
5
8
3
7
3
5
2
7
8
3
1
7
2
6
3
8
2
1
8
6
4
9
5
5
6
8
2
7
5
1
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.
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.