5+2
7
5-2
3
5+5
10
2+3
5
10-3
10+2
12
10-2
8
10+5
15
8+3
11
15-3
15+2
17
15-2
13
15+5
20
10+3
20-3
20+2
22
20-2
18
20+5
25
15+3
25-3
28+2
30
28-2
26
25+5
25+3
28
30-3
27
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