C111112111133131121133133313331311331333133313231333131133133313331322323231   >>    C11111211113313112113313331333131133133313331323133313113313331333132232323   <<    C111112111133131121133133313331311331333133313231333131133133313331322323233   >>      C111112111133131121133133313331311331333133313231333131133133313331322323232   >>