Trial,Air,Helium,difference
1,25,25,0
2,23,16,-7
3,18,25,7
4,16,14,-2
5,35,23,-12
6,15,29,14
7,26,25,-1
8,24,26,2
9,24,22,-2
10,28,26,-2
11,25,12,-13
12,19,28,9
13,27,28,1
14,25,31,6
15,34,22,-12
16,26,29,3
17,20,23,3
18,22,26,4
19,33,35,2
20,29,24,-5
21,31,31,0
22,27,34,7
23,22,39,17
24,29,32,3
25,28,14,-14
26,29,28,-1
27,22,30,8
28,31,27,-4
29,25,33,8
30,20,11,-9
31,27,26,-1
32,26,32,6
33,28,30,2
34,32,29,-3
35,28,30,2
36,25,29,4
37,31,29,-2
38,28,30,2
39,28,26,-2