1+1
2
2+3
5
10+1
11
10+10
20
10+60
70
1+2
3
3+3
6
10+2
12
10+20
30
10+70
80
1+3
4
3+4
7
10+3
13
10+30
40
10+80
90
1+4
4+4
8
10+4
14
10+40
50
10+90
100
1+5
5+5
10
10+5
15
10+50
60
50+40
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