idnr: 4130
6/
17+
5-
11+
15+
22+
11+
16+
3
31+
7
2-
17+
7+
2/
18+
19+
1-
12+
1-
10+
21+
14+
14+
27+
23+
2/
2/
10+
5/
Difficulty: Impossible ()
idnr: 542
8*
7
126*
360*
35*
54*
20*
3*
18*
1728*
2*
45*
8
42*
12*
1134*
40*
32*
18*
160*
12*
126*
64*
40*
18*
7
120*
240*
6*
189*
504*
Difficulty: Medium ()
idnr: 389
19+
24*
23+
7/
17+
2/
2/
8
35*
7+
13+
294*
3
10+
18+
16+
17+
28*
19440*
48*
160*
5-
18*
21*
1620*
24*
20*
13+
112*
Difficulty: Very Difficult ()
idnr: 2212
16+
7+
28+
5+
5+
11+
12+
15+
13+
22+
28+
18+
5+
21+
16+
5+
11+
23+
4
31+
13+
19+
10+
22+
23+
14+
8+
Difficulty: Impossible ()