49
+
4
=
25
+
47
=
2
+
3
=
45
+
40
=
11
+
25
=
23
+
1
=
12
+
18
=
6
+
7
=
1
+
16
=
31
+
13
=
16
+
17
=
22
+
64
=
13
+
2
=
49
+
22
=
20
+
39
=
58
+
9
=
11
+
10
=
57
+
5
=
6
+
40
=
12
+
6
=