C13223313311212111133133313331323133313233313121212132313232331   >>    C1322331331121211113313331333132313331323331312121213231323233   <<    C13223313311212111133133313331323133313233313121212132313232333   >>      C13223313311212111133133313331323133313233313121212132313232332   >>