4
5
7
8
7
3
8
1
2
1
4
2
1
9
4
2
7
8
3
8
9
1
4
5
3
4
9
2
4
9
6
7
1
Despite its Japanese name, Sudoku was invented by an American and popularized in Japan before going global.
Despite its Japanese name, Sudoku was invented by an American and popularized in Japan before going global.
Despite its Japanese name, Sudoku was invented by an American and popularized in Japan before going global.
Despite its Japanese name, Sudoku was invented by an American and popularized in Japan before going global.