C111123313121111121111331333133313331323132333133313121111331333133313132231111   >>    C11112331312111112111133133313331333132313233313331312111133133313331313223111   <<    C111123313121111121111331333133313331323132333133313121111331333133313132231113   >>      C111123313121111121111331333133313331323132333133313121111331333133313132231112   >>