5
6
7
8
2
8
9
3
7
6
1
1
7
8
6
9
5
2
9
4
3
8
9
1
2
5
3
2
3
9
5
4
8
6
7
"In science there is only physics; all the rest is stamp collecting." — Ernest Rutherford
"In science there is only physics; all the rest is stamp collecting." — Ernest Rutherford
The world record for solving an easy Sudoku is under 1.4 seconds, set in competitive speed-solving.
The world record for solving an easy Sudoku is under 1.4 seconds, set in competitive speed-solving.