# Nested for loop

for i in 1 2 3 4 5 6 7 8 9 10 
do
    echo -n "Row $i: "

    for j in 1 2 3 4 5 6 7 8 9 10
    do
        sleep 1
        echo -n "$j "        
    done

    echo    # Output newline    
done