C13223313311212111133133313331333133313232233133313311232133231   >>    C1322331331121211113313331333133313331323223313331331123213323   <<    C13223313311212111133133313331333133313232233133313311232133233   >>      C13223313311212111133133313331333133313232233133313311232133232   >>