idnr: 5305
9+
18+
13+
15+
19+
7+
13+
9+
10+
8+
17+
11+
5+
8+
23+
11+
Difficulty: Impossible ()
idnr: 1331
5+
23+
27+
11+
15+
15+
2
15+
14+
12+
11+
11+
21+
4/
9+
Difficulty: Impossible ()
idnr: 3662
14112*
42*
31+
30*
42*
30*
12*
40*
4+
12+
15*
10+
504*
2-
4/
Difficulty: Medium ()
idnr: 4768
13+
14+
19+
3+
19+
13+
18+
5-
6+
11+
10+
8+
23+
3-
10+
1-
Difficulty: Impossible ()