idnr: 2875
5+
8+
35+
10+
10+
6
20+
13+
13+
7+
6+
8+
17+
11+
21+
25+
13+
22+
10+
8+
12+
9+
18+
14+
14+
15+
16+
21+
11+
7+
Difficulty: Impossible ()
idnr: 2678
144*
280*
105*
12*
126*
48*
32*
27*
6*
180*
420*
48*
28*
648*
6*
35*
300*
504*
1680*
27*
42*
24*
36*
18*
4*
20*
96*
48*
3
Difficulty: Medium ()
idnr: 3565
120*
26+
25+
840*
8*
72*
1-
5*
45*
2-
16+
36*
16+
20+
7-
48*
6+
36*
216*
140*
10+
17+
30*
90*
72*
18+
24+
Difficulty: Difficult ()
idnr: 4278
288*
126*
1200*
5-
16*
105*
216*
24*
224*
30*
2-
1-
30*
35*
432*
4-
5-
120*
72*
8-
35*
7
2592*
48*
5-
448*
6-
30*
Difficulty: Difficult ()