idnr: 1444
13+
13+
15+
5+
17+
9+
23+
19+
5+
22+
5+
4
7+
13+
13+
23+
16+
9+
9+
17+
15+
17+
10+
13+
20+
22+
13+
12+
11+
15+
Difficulty: Impossible ()
idnr: 4151
720*
9+
2/
18+
378*
16+
360*
25+
7/
5-
9+
1344*
18+
13+
14*
3/
25+
18+
40*
140*
378*
64*
378*
15+
4/
5*
11+
Difficulty: Very Difficult ()
idnr: 3870
17+
560*
675*
42*
10+
360*
14+
1512*
30*
12*
8
7+
144*
16*
26+
3/
21*
17+
128*
11+
3/
27*
7+
9+
280*
20+
21*
5/
18+
Difficulty: Very Difficult ()
idnr: 1481
252*
10*
18+
288*
189*
252*
22+
80*
120*
72*
10+
1890*
128*
9+
3*
11+
252*
126*
2
5
23+
13+
20+
11+
48*
15+
56*
Difficulty: Difficult ()