order,time,score,grade
2,35,48,A
11,44,48,A
14,48,48,A
35,68,47,A
40,73,47,A
8,42,46,A
23,52,46,A
30,57,46,A
34,67,46,A
36,68,45,A
6,41,44,B
20,51,44,B
31,59,44,B
32,62,44,B
9,42,43,B
13,47,43,B
16,49,43,B
28,55,43,B
15,48,42,B
26,53,42,B
1,24,41,B
12,45,41,B
10,43,39,C
25,53,39,C
5,38,38,C
4,38,37,C
7,41,37,C
27,54,37,C
3,38,36,C
24,52,36,C
29,56,36,C
37,69,35,C
17,49,34,D
22,51,34,D
33,54,34,D
38,70,34,D
18,49,32,D
21,51,32,D
39,70,32,D
19,50,29,F