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42 (1 + 41, 19 + 23, 30 + 12, 7 + 35, 2 + 40, 13 + 29, 11 + 31, 50 - 8, 4…
42
1 + 41
19 + 23
30 + 12
7 + 35
2 + 40
13 + 29
11 + 31
50 - 8
4 + 38
5 + 37
28 + 14
17 + 25
32 + 10
54 - 12
49 - 5
21 + 21
47 - 5
22 + 20
45 - 3
60 - 18
52 - 10
55 - 13
100 - 58
24 + 18
56 - 14