C212313222213113313112113121111331323132233133313232233133313112113313232232231   >>    C21231322221311331311211312111133132313223313331323223313331311211331323223223   <<    C212313222213113313112113121111331323132233133313232233133313112113313232232233   >>      C212313222213113313112113121111331323132233133313232233133313112113313232232232   >>