C212313222213113313112113121111331323132233133313232233133313112132131   >>    C21231322221311331311211312111133132313223313331323223313331311213213   <<    C212313222213113313112113121111331323132233133313232233133313112132133   >>      C212313222213113313112113121111331323132233133313232233133313112132132   >>