C21231322221311331311211312111133132313223313331323223313331311213331333131   >>    C2123132222131133131121131211113313231322331333132322331333131121333133313   <<    C21231322221311331311211312111133132313223313331323223313331311213331333133   >>      C21231322221311331311211312111133132313223313331323223313331311213331333132   >>