mu 1 2 13AB
mu 13AB 2 3
mu 13AB 3 15AB
mu 13AB 15AB 12B
mu 13AB 12B 21AB
mu 12B 15AB 8C
mu 8C 3 8B
mu 13AB 8B 14A
mu 13AB 14A 10B
mu 12B 10B 12C
mu 15AB 14A 12D
mu 12B 8B 12E
mu 13AB 10B 15C
mu 21AB 8C 18AB
mu 8B 12C 20A
mu 10B 12D 11A
mu 15C 18AB 24A
oup 8 8B 8C 10B 11A 12B 12C 12D 12E
oup 8 13AB 14A 15AB 15C 18AB 20A 21AB 24A
echo "Classes 8B 8C 10B 11A 12B 12C 12D 12E"
echo "13A-B 14A 15A-B 15C 18A-B 20A 21A-B 24A"