C21231322221311331311211312111133132313223313331322331333111211   >>    C2123132222131133131121131211113313231322331333132233133311121   <<    C21231322221311331311211312111133132313223313331322331333111213   >>      C21231322221311331311211312111133132313223313331322331333111212   >>