idnr: 28
3
16*
3+
7+
16*
6*
4+
Difficulty: Easy ()
idnr: 298
8*
12+
1-
3-
11+
Difficulty: Medium ()
idnr: 4033
9+
4+
3
9+
7+
8+
Difficulty: Easy ()
idnr: 5978
8*
72*
8*
18*
1
4*
Difficulty: Easy ()