idnr: 102
4+
4
5+
12*
6+
4+
36*
Difficulty: Easy ()
idnr: 3919
5+
7+
3+
5+
9+
3
8+
Difficulty: Easy ()
idnr: 5407
10+
4+
2
7+
10+
7+
Difficulty: Medium ()
idnr: 4909
9*
48*
96*
4
2*
Difficulty: Easy ()