12
+
21
=
85
+
7
=
23
+
21
=
31
+
4
=
14
+
61
=
22
+
16
=
6
+
5
=
1
+
26
=
64
+
15
=
35
+
0
=
25
+
17
=
8
+
48
=
87
+
5
=
10
+
40
=
63
+
24
=
18
+
0
=
9
+
10
=
22
+
40
=
8
+
30
=
32
+
43
=