mu 1 2 3
mu 3 2 4
mu 3 4 5
mu 5 4 6
mu 6 1 7
mu 5 7 8
mu 4 8 9
mu 9 7 10
oup 5 10 7 6 4 8
echo "Classes 25A-E 31A-O 41A-J 20A-B'''' 25F-F''''"

