1,A,07:00-07:50 2,1,08:10-09:00 3,2,09:10-10:00 4,3,10:10-11:00 5,4,11:10-12:00 6,B,12:10-13:00 7,5,13:10-14:00 8,6,14:10-15:00 9,7,15:10-16:00 10,8,16:10-17:00 11,9,17:10-18:00 12,C,18:20-19:10 13,D,19:15-20:05 14,E,20:10-21:00 15,F,21:05-21:55