- Code: Select all
+-------+-------+-------+
| . 7 . | 9 . . | 2 . . |
| 3 . . | . . 8 | . 4 . |
| . 8 9 | . . 2 | . 3 5 |
+-------+-------+-------+
| . . 6 | . 1 . | . . . |
| . . . | 2 8 . | 6 . . |
| . . . | 7 . . | 4 2 . |
+-------+-------+-------+
| . . . | . . . | . . . |
| . . . | 8 . . | . . 4 |
| 1 5 . | . . . | . 6 3 |
+-------+-------+-------+
.7.9..2..3....8.4..89..2.35..6.1.......28.6.....7..42.............8....415.....63
(Source: Sudoku Architect)

