idnr: 1938
3/
2016*
13+
8+
105*
31+
11+
14+
15+
5*
8
16+
4
12+
448*
1440*
16+
56*
25+
18+
2/
20+
10+
1296*
20*
7+
56*
Difficulty: Very Difficult ()
idnr: 581
21+
17+
21+
12+
24+
9+
8+
10+
10+
20+
35+
4+
18+
4
24+
16+
7+
24+
15+
16+
8+
15+
17+
17+
5+
8+
10+
10+
Difficulty: Impossible ()
idnr: 166
189*
30*
144*
14+
1-
4*
54*
11+
3-
40*
13+
42*
864*
16+
42*
16+
18+
15+
19+
7+
240*
40*
120*
9+
3/
13+
240*
20+
Difficulty: Difficult ()
idnr: 4283
18+
3-
448*
12*
11+
504*
3-
504*
7-
24*
5*
14*
3
31+
14*
756*
16+
4
14+
9
5+
28*
8+
40*
1344*
189*
108*
3-
120*
11+
Difficulty: Medium ()