| Solving, rating and generating Sudoku puzzles with GA Recent countries visiting this post |  |
 | 6 | United States |
 | 1 | Taiwan |
 | 1 | Russian Federation |
 | 1 | Australia |
| Solving, rating and generating Sudoku puzzles with GA Recent countries visiting this post | |
| 6 | United States |
| 1 | Taiwan |
| 1 | Russian Federation |
| 1 | Australia |