13
+
41
=
32
+
21
=
4
+
0
=
83
+
1
=
22
+
8
=
8
+
39
=
3
+
7
=
5
+
74
=
15
+
17
=
16
+
51
=
3
+
48
=
19
+
20
=
7
+
3
=
37
+
42
=
11
+
14
=
22
+
18
=
10
+
54
=
17
+
80
=
23
+
37
=
20
+
2
=