C13223313311212111133133313331333133313232233133313311232213233212323131   >>    C1322331331121211113313331333133313331323223313331331123221323321232313   <<    C13223313311212111133133313331333133313232233133313311232213233212323133   >>      C13223313311212111133133313331333133313232233133313311232213233212323132   >>