1,A,07:10-08:00 2,1,08:10-09:00 3,2,09:10-10:00 4,3,10:20-11:10 5,4,11:20-12:10 6,B,12:10-13:00 7,5,13:10-14:00 8,6,14:10-15:00 9,7,15:20-16:10 10,8,16:20-17:10 11,9,17:20-18:10 12,10,18:20-19:10 13,11,19:20-20:10 14,12,20:20-21:10 15,13,21:20-22:10