29
+
49
=
45
+
36
=
2
+
0
=
20
+
40
=
15
+
2
=
41
+
12
=
12
+
23
=
3
+
2
=
67
+
14
=
7
+
21
=
1
+
30
=
7
+
44
=
13
+
16
=
27
+
11
=
7
+
18
=
62
+
33
=
1
+
1
=
10
+
64
=
19
+
80
=
13
+
12
=