try this script:
#!/bin/bash
for ((x=1;x<=2;x++));
do if [ x = 1 ] ;
then for ((y=1;y<=4;y++));
do rsync root/sourceDir${x}/SourceDir${x}${y} rootTarget${x}/Sourcedir${x}${y}" ;
done ;
else for ((y=1;y<=6;y++)) ;
do rsync root/sourceDir${x}/SourceDir${x}${y} rootTarget${x}/SourceDir${x}${y}" ;
done ;
fi;
done