34
+
31
=
2
+
4
=
1
+
11
=
3
+
0
=
8
+
91
=
49
+
34
=
39
+
20
=
67
+
12
=
60
+
32
=
40
+
58
=
6
+
43
=
51
+
1
=
27
+
11
=
1
+
13
=
14
+
37
=
72
+
4
=
64
+
36
=
59
+
5
=
30
+
60
=
27
+
20
=