C13223313311212111133133313331333133313231323133211331333132323131133112211231   >>    C1322331331121211113313331333133313331323132313321133133313232313113311221123   <<    C13223313311212111133133313331333133313231323133211331333132323131133112211233   >>      C13223313311212111133133313331333133313231323133211331333132323131133112211232   >>