C13223313311212111133133313331333133313232233133313231333131121223111   >>    C1322331331121211113313331333133313331323223313331323133313112122311   <<    C13223313311212111133133313331333133313232233133313231333131121223113   >>      C13223313311212111133133313331333133313232233133313231333131121223112   >>