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58-8=50
65-5=60
61-1=60
22-2=20
18-8=10
37-7=30
68-8=60
16-6=10
92-2=90
78-8=70
15-5=10
69-9=60
36-6=30
85-5=80
99-9=90
84-4=80
59-9=50
24-4=20
56-6=50
45-5=40
81-1=80
72-2=70
49-9=40
77-7=70
74-4=70
91-1=90
86-6=80
11-1=10
52-2=50
89-9=80
32-2=30
54-4=50
14-4=10
25-5=20
82-2=80
75-5=70
27-7=20
64-4=60
53-3=50
48-8=40
31-1=30
62-2=60
21-1=20
39-9=30
42-2=40
55-5=50
41-1=40
94-4=90
71-1=70
97-7=90
95-5=90
73-3=70
34-4=30
83-3=80
38-8=30
17-7=10
19-9=10
66-6=60
63-3=60
79-9=70
26-6=20
23-3=20
87-7=80
57-7=50
35-5=30
88-8=80
96-6=90
28-8=20
76-6=70
29-9=20
51-1=50
47-7=40
46-6=40
44-4=40
12-2=10
93-3=90
13-3=10
67-7=60
33-3=30
98-8=90
43-3=40
