C212313222213113313112113121111331323132233133313232233313331312233231   >>    C21231322221311331311211312111133132313223313331323223331333131223323   <<    C212313222213113313112113121111331323132233133313232233313331312233233   >>      C212313222213113313112113121111331323132233133313232233313331312233232   >>