C13223313311212111133133313331333133313233121333132313331311331323133313232231   >>    C1322331331121211113313331333133313331323312133313231333131133132313331323223   <<    C13223313311212111133133313331333133313233121333132313331311331323133313232233   >>      C13223313311212111133133313331333133313233121333132313331311331323133313232232   >>