idnr: 3987
13+
5+
8+
10+
8+
8+
3+
4+
16+
Difficulty: Difficult ()
idnr: 1540
14+
7+
6+
9+
4+
6+
5+
13+
6+
5+
Difficulty: Easy ()
idnr: 3804
4+
15+
8+
1-
4-
2-
1-
7+
8+
5
Difficulty: Impossible ()
idnr: 331
40*
3*
90*
10*
60*
40*
3/
32*
Difficulty: Medium ()