C13223313311212111133133313331323133313331323131133133313232211313121   >>    C1322331331121211113313331333132313331333132313113313331323221131312   <<    C13223313311212111133133313331323133313331323131133133313232211313123   >>      C13223313311212111133133313331323133313331323131133133313232211313122   >>