# 12. [V], 36 bytes

<pre><code>.1lllGYVH""pØHi, Retina!-&gt;ü&#136;.*±
Ø^0$
</code></pre>

[Try it online!][TIO-jeyuxqy8]

[V]: https://github.com/DJMcMayhem/V
[TIO-jeyuxqy8]: https://tio.run/##K/v/X88wJyfHPTLMQ0mp4PAMj0wdhaDUksy8REVdu8N7DnXoaR3ayHV4RpyBCglKAQ "V – Try It Online"

**Satisfies:**

2. The first character is a `.`.
3. It contains an `e`.
4. Its length is even.
5. Its length is a perfect square.
6. It contains an `a`.
7. It contains a `>` character.
8. Contains the exact string `->`.
9. Contains the exact string `Hi, Retina!`.
10. The sum of the first two Unicode code points is a multiple of 5.
11. The 10-th character is a `"`.
12. **The last non-empty line does not have any duplicate characters.**

**For future answers:**

- The first character is a `.`.
- Its length is an even perfect square.
- Contains the exact sequence `->`.
- Contains the exact string `Hi, Retina!`.
- The second character's Unicode code point, mod 5, is 4.
- The 10-th character is a `"`.
- The last line non-empty line does not have any duplicate characters.