8
4
5
9
1
1
7
5
4
2
6
7
7
9
1
8
1
3
6
2
2
6
7
6
5
6
7
9
3
1
7
2
8
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.
"The book of nature is written in the language of mathematics." — Galileo Galilei
"The book of nature is written in the language of mathematics." — Galileo Galilei