The puzzle-maker rates this one as "Hard". On
Børge's scale, I would rate it as "Barely Hard" with a grade of "Apprentice".
Code:
.3.1.7.4.9.7.3.2.1.1.....8.7.......2.5.....1.4.......9.7.......1.9.8.....8.9.4...
.2.1.6.5.3.6.5.8.2.9.....6.1.......3.5.....9.9.......6.......8.....9.2.4...3.2.7.
....7.......6.5.......2.....6.....8.4.1...2.3.3.....1.....3.......5.7.......1....
.1.9.4...6.4.5.....2.......9.......8.4.....2.3.......5.9.....6.2.8.7.1.9.5.1.2.3.
...4.2.9.....7.1.6.......7.6.......4.8.....2.7.......8.1.....4.8.6.3.2.9.4.1.9.8.