idnr: 257
7+
11+
6*
30*
60*
5
3*
11+
1-
Difficulty: Medium ()
idnr: 324
16*
12*
16+
7+
15+
9+
2-
6*
Difficulty: Medium ()
idnr: 2079
13+
12+
1-
3-
6+
9+
4+
21+
Difficulty: Medium ()
idnr: 765
8+
6+
6+
7+
1
5+
14+
15+
10+
3+
Difficulty: Difficult ()