C13223313311212111133133313331333132333133313331323131123313223331   >>    C1322331331121211113313331333133313233313331333132313112331322333   <<    C13223313311212111133133313331333132333133313331323131123313223333   >>      C13223313311212111133133313331333132333133313331323131123313223332   >>