service_id,start_date,end_date,monday,tuesday,wednesday,thursday,friday,saturday,sunday
1_merged_508487,20180429,20180818,1,1,1,1,1,0,0
1_merged_508484,20180107,20180428,1,1,1,1,1,0,0
2_merged_508489,20180429,20180818,0,0,0,0,0,1,0
2_merged_508486,20180107,20180428,0,0,0,0,0,1,0
3_merged_508485,20180107,20180428,0,0,0,0,0,0,1
3_merged_508488,20180429,20180818,0,0,0,0,0,0,1