echo "begin loop"
while [ 1 ] 
do 
	echo "inner loop1"
	while [ 1 ]
	do
		echo "love 42"
	done
	echo "inner loop2"
	while [ 1 ]
	do
		echo "inner loop2-1"
		while [ 1 ] 
		do
			echo "hello world"
		done
		echo "salut monde"
	done
done 
echo "end loop"