1
+
41
=
52
+
16
=
75
+
4
=
21
+
18
=
6
+
4
=
27
+
45
=
25
+
3
=
46
+
39
=
25
+
1
=
7
+
6
=
5
+
41
=
28
+
11
=
25
+
6
=
77
+
3
=
49
+
20
=
2
+
12
=
1
+
66
=
45
+
3
=
47
+
5
=
49
+
19
=