mu 1 2 3
mu 3 2 4
mu 3 4 5
mu 3 5 6
mu 6 3 7
mu 7 4 8
mu 3 7 9
mu 6 7 10
mu 7 8 11
mu 2 10 12
mu 3 9 13
mu 7 12 14
mu 12 13 15
mu 4 13 16
mu 1 14 17
oup 13 10 14 11 16 9 17 12 15 6 7 3 13 8
echo "Classes  6B 12A 13ABC 18ABC 21ABC 28ABC  6D 12C' 12E 18D' 21D 24A 24B"
#echo "Here ' denotes the class not printed in the Atlas"