- Code: Select all
+-------+-------+-------+
| 8 . 9 | . 7 . | . 3 . |
| . . . | . 8 . | 1 4 . |
| . . . | 2 . . | 9 . . |
+-------+-------+-------+
| . . . | . . . | . . . |
| 3 . . | . 6 . | 5 . . |
| 5 . 7 | . . . | 4 . . |
+-------+-------+-------+
| . 2 . | 9 3 . | . 6 . |
| 4 . . | 6 1 . | . 7 . |
| . 3 . | . . 7 | . . . |
+-------+-------+-------+
8.9.7..3.....8.14....2..9...........3...6.5..5.7...4...2.93..6.4..61..7..3...7...
(Source: Sudoku Architect)

