C13223313311212111133133313331333132333133313331323223331311311231   >>    C1322331331121211113313331333133313233313331333132322333131131123   <<    C13223313311212111133133313331333132333133313331323223331311311233   >>      C13223313311212111133133313331333132333133313331323223331311311232   >>