C111123313121111121111331333133313331333131233133313211231323331313231   >>    C11112331312111112111133133313331333133313123313331321123132333131323   <<    C111123313121111121111331333133313331333131233133313211231323331313233   >>      C111123313121111121111331333133313331333131233133313211231323331313232   >>