7
+
31
=
14
+
33
=
20
+
11
=
42
+
55
=
57
+
14
=
88
+
9
=
59
+
32
=
28
+
20
=
4
+
2
=
32
+
57
=
47
+
22
=
15
+
22
=
2
+
1
=
11
+
8
=
2
+
10
=
49
+
10
=
16
+
3
=
14
+
19
=
38
+
49
=
28
+
33
=