6
+
20
=
2
+
10
=
13
+
25
=
11
+
3
=
5
+
5
=
15
+
16
=
43
+
33
=
9
+
20
=
9
+
31
=
11
+
5
=
22
+
59
=
73
+
5
=
4
+
3
=
41
+
29
=
12
+
7
=
59
+
33
=
3
+
23
=
8
+
81
=
3
+
3
=
29
+
53
=