66
+
13
=
31
+
23
=
2
+
15
=
40
+
22
=
6
+
91
=
17
+
75
=
20
+
77
=
6
+
94
=
43
+
36
=
73
+
3
=
46
+
15
=
20
+
37
=
10
+
76
=
73
+
18
=
41
+
6
=
7
+
0
=
8
+
40
=
16
+
20
=
26
+
26
=
25
+
63
=