C212313222213113313112113121111331323132233133313232233133311323131   >>    C21231322221311331311211312111133132313223313331323223313331132313   <<    C212313222213113313112113121111331323132233133313232233133311323133   >>      C212313222213113313112113121111331323132233133313232233133311323132   >>