72
+
13
=
17
+
52
=
29
+
50
=
29
+
18
=
38
+
31
=
68
+
30
=
10
+
65
=
23
+
57
=
61
+
2
=
3
+
2
=
51
+
12
=
1
+
4
=
3
+
3
=
2
+
11
=
43
+
13
=
15
+
37
=
2
+
4
=
31
+
32
=
18
+
1
=
14
+
11
=