+++++ +++++ initialize counter (cell #0) to 10\
[ use loop to set the next four cells to 70/100/30/10\
> +++++ ++ add 7 to cell #1\
> +++++ +++++ add 10 to cell #2 \
> +++ add 3 to cell #3\
> + add 1 to cell #4\
<<<< - decrement counter (cell #0)\
]\
> ++ . print 'H'\
> + . print 'e'\
+++++ ++ . print 'l'\
. print 'l'\
+++ . print 'o'\
> ++ . print ' '\
<< +++++ +++++ +++++ . print 'W'\
> . print 'o'\
+++ . print 'r'\
----- - . print 'l'\
----- --- . print 'd'\
> + . print '!'\
> . print '\n'\