Question

Minutes Before Class (Class Starts At Time 0)
Minutes Before Class (Class Starts at time 0) Class
1 Class
2 Class
3 Class
4 Class
5
15 3 4 6 1 4
14 0 0 2 1 3
13 1 2 0 3 1
12 1 0 0 1 0
11 1 1 2 1 0
10 2 0 0 1 1
9 4 2 0 2 0
8 0 1 4 3 0
7 1 5 1 0 3
6 1 1 2 1 2
5 5 6 2 4 5
4 6 1 7 4 6
3 0 0 3 2 0
2 3 2 0 5 0
1 2 2 0 0 4
0 1 2 0 0 1
-1 0 0 0 0 1
-2 0 0 0 0 0
-3 0 0 0 1 0
-4 0 0 0 0 0
-5 0 1 0 0 0
-6 0 0 0 0 0
-7 0 0 0 0 0
-8 0 0 1 0 0
-9 0 0 0 1 0
-10 0 0 0 0 0