time_slot_id,day,start_hr,start_min,end_hr,end_min
A,F,8,0,8,50
A,M,8,0,8,50
A,W,8,0,8,50
B,F,9,0,9,50
B,M,9,0,9,50
B,W,9,0,9,50
C,F,11,0,11,50
C,M,11,0,11,50
C,W,11,0,11,50
D,F,13,0,13,50
D,M,13,0,13,50
D,W,13,0,13,50
E,R,10,30,11,45
E,T,10,30,11,45
F,R,14,30,15,45
F,T,14,30,15,45
G,F,16,0,16,50
G,M,16,0,16,50
G,W,16,0,16,50
H,W,10,0,12,30