C13223313311212111133133313331333132333133313331323131123313333123231   >>    C1322331331121211113313331333133313233313331333132313112331333312323   <<    C13223313311212111133133313331333132333133313331323131123313333123233   >>      C13223313311212111133133313331333132333133313331323131123313333123232   >>