CD,lecture,unit,step,part,section,begin date,begin time,end date,end time,total time
1,1,1,1,1,0,2003/4/23,0:46:48,2003/4/23,0:57:27,00:13:16
1,1,1,1,2,0,2003/4/23,0:57:27,2003/4/23,1:01:30,00:04:03