C212313222213113313112113121111331323132233133313331133132213111   >>    C21231322221311331311211312111133132313223313331333113313221311   <<    C212313222213113313112113121111331323132233133313331133132213113   >>      C212313222213113313112113121111331323132233133313331133132213112   >>