"c1","m1","a1"
5,"T1","A"
4,"T2","A"
0,"T3","A"
2,"T4","A"
9,"T1","B"
0,"T2","B"
0,"T3","B"
2,"T4","B"
6,"T1","C"
1,"T2","C"
NA,"T3","C"
0,"T4","C"
2,"T1","D"
0,"T2","D"
2,"T3","D"
2,"T4","D"
5,"T1","E"
18,"T2","E"
2,"T3","E"
5,"T4","E"