19
+
26
=
21
+
31
=
4
+
25
=
7
+
13
=
1
+
2
=
41
+
3
=
20
+
31
=
31
+
17
=
79
+
12
=
28
+
34
=
16
+
0
=
26
+
4
=
16
+
46
=
66
+
5
=
2
+
5
=
55
+
38
=
83
+
14
=
80
+
16
=
26
+
13
=
81
+
14
=