49
+
33
=
23
+
23
=
13
+
43
=
56
+
22
=
57
+
8
=
28
+
17
=
16
+
7
=
3
+
4
=
12
+
52
=
7
+
13
=
9
+
28
=
3
+
13
=
26
+
20
=
1
+
1
=
53
+
33
=
3
+
31
=
7
+
5
=
4
+
19
=
20
+
47
=
11
+
2
=