11
+
28
=
2
+
31
=
37
+
31
=
7
+
24
=
44
+
43
=
24
+
59
=
73
+
1
=
83
+
2
=
51
+
23
=
2
+
18
=
28
+
24
=
67
+
20
=
41
+
51
=
40
+
37
=
3
+
6
=
15
+
1
=
48
+
38
=
8
+
10
=
42
+
4
=
93
+
7
=