"service_id","monday","tuesday","wednesday","thursday","friday","saturday","sunday","start_date","end_date"
"1241-保内線（冬季便）","1","1","1","1","1","0","0","20260401","20270331"
"1241-土曜","0","0","0","0","0","1","0","20260404","20270327"
"1241-平日","1","1","1","1","1","0","0","20260401","20270331"
"1241-月～土","1","1","1","1","1","1","0","20260401","20270331"
"1241-毎日","1","1","1","1","1","1","1","20260401","20270331"
