idnr: 1877
11+
11+
2/
5/
2
15+
4/
11+
2/
7
13+
9+
14+
10+
16+
6/
2/
6+
12+
9+
11+
Difficulty: Difficult ()
idnr: 2078
11+
9+
1-
2-
13+
22+
11+
7+
21+
24+
24+
23+
5+
8+
3+
Difficulty: Impossible ()
idnr: 5273
7+
11+
4-
8+
8+
11+
40*
8*
21+
630*
7*
56*
12*
3*
15*
60*
32*
16+
Difficulty: Medium ()
idnr: 3309
126*
21*
60*
96*
5*
6/
5-
504*
40*
40*
12*
15*
24*
126*
105*
7*
40*
Difficulty: Impossible ()