C21231322221311331311211312111133132313223313331322331311331333132332131131   >>    C2123132222131133131121131211113313231322331333132233131133133313233213113   <<    C21231322221311331311211312111133132313223313331322331311331333132332131133   >>      C21231322221311331311211312111133132313223313331322331311331333132332131132   >>