C13223313311212111133133313331333132333132312111133131323113121   >>    C1322331331121211113313331333133313233313231211113313132311312   <<    C13223313311212111133133313331333132333132312111133131323113123   >>      C13223313311212111133133313331333132333132312111133131323113122   >>