C111112111133131121133133313331333133313121111331333131221333132231111   >>    C11111211113313112113313331333133313331312111133133313122133313223111   <<    C111112111133131121133133313331333133313121111331333131221333132231113   >>      C111112111133131121133133313331333133313121111331333131221333132231112   >>