C13223313311212111133133313331333132333133313331323131313231311311   >>    C1322331331121211113313331333133313233313331333132313131323131131   <<    C13223313311212111133133313331333132333133313331323131313231311313   >>      C13223313311212111133133313331333132333133313331323131313231311312   >>