idnr: 599
16+
21+
105*
5+
2/
540*
19+
23+
4/
13+
20*
240*
5+
21+
Difficulty: Difficult ()
idnr: 4767
6*
14+
210*
11+
1-
10*
5+
4-
108*
840*
12*
16+
8*
12+
3-
210*
11+
Difficulty: Impossible ()
idnr: 630
24*
12+
9+
26460*
11+
6*
13+
56*
6*
8+
210*
18+
72*
11+
7+
8*
Difficulty: Very Difficult ()
idnr: 3074
22+
15+
13+
3/
7+
12+
8+
19+
7/
4
11+
7/
3+
7+
15+
15+
21+
Difficulty: Impossible ()