# What are the last 18 letters of Z408? · Zodiac ciphers

> Three answers have been proposed. The tail is filler, copied from symbols above, to make the third section match the other two in size. leads, with…

Source: https://mysteriesdept.com/mysteries/zodiac-ciphers/questions/QST0D71PEXW0XFF/what-are-the-last-18-letters-of-z408  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  
Updated: 2026-10-26T11:59:10+00:00  

---

**0**

# What are the last 18 letters of Z408?

Asked 26 Oct 2026 by [**apollo** ](https://mysteriesdept.com/u/apollo)·Part of [Is the 2020 decryption of Z340 the true message?](https://mysteriesdept.com/mysteries/zodiac-ciphers/questions/QST0D71PE6E3RE4/is-the-2020-decryption-of-z340-the-true-message)·3 answers·0·0 following

**Most likely: the tail is filler, copied from symbols above, to make the third section match the other two in size** Ahead on the evidence, not yet confirmed. It needs two reviews to be accepted.

 

## Where it stands

Three answers have been proposed. The tail is filler, copied from symbols above, to make the third section match the other two in size. leads, with evidence 1 for: partly supported by its tests. Two are still possible.

## Why it matters

Z408's key reads 390 letters and then EBEORIETEMETHHPITI. If this is a message, it is the only unread part of a solved cipher⁠[[1]](https://mysteriesdept.com/sources/SRC0D71P64M215H/the-solution-of-the-zodiac-killers-340-character-cipher).

## Answers 3



[**The tail is filler, copied from symbols above, to make the third section match the other two in size.** ](https://mysteriesdept.com/mysteries/zodiac-ciphers/answers/ANS0D71PMHJ495N/the-tail-is-filler-copied-from-symbols-above-to-make-the)

Partly supported by its tests

Evidence: 1 for

Most likely



[**None of these.** ](https://mysteriesdept.com/mysteries/zodiac-ciphers/answers/ANS0D71PNGT3DVF/none-of-these)

Not tested enough to call either way

Evidence: none yet

Still possible



[**The tail is a second message under a different key or procedure.** ](https://mysteriesdept.com/mysteries/zodiac-ciphers/answers/ANS0D71PN160V6W/the-tail-is-a-second-message-under-a-different-key-or)

Not tested enough to call either way

Evidence: 1 against

Still possible

## History

1. 2024[Oranchak et al. puts forward: the tail is filler, copied from symbols above, to make the third section match the other two in size.](https://mysteriesdept.com/sources/SRC0D71P64M215H/the-solution-of-the-zodiac-killers-340-character-cipher)
1. 2024[Oranchak et al. puts forward: the tail is a second message under a different key or procedure.](https://mysteriesdept.com/sources/SRC0D71P64M215H/the-solution-of-the-zodiac-killers-340-character-cipher)
1. 2024[Oranchak et al.: the symbols in the tail appear to repeat symbols from the rows above.](https://mysteriesdept.com/sources/SRC0D71P64M215H/the-solution-of-the-zodiac-killers-340-character-cipher)For: The tail is filler, copied from symbols above, to make the third section match the other two in size.
1. 2024[Oranchak et al.: fifteen of its 18 symbols are unique there, so many readings fit and none is preferred.](https://mysteriesdept.com/sources/SRC0D71P64M215H/the-solution-of-the-zodiac-killers-340-character-cipher)Against: The tail is a second message under a different key or procedure.
1. 26 Oct 2026Asked on this site

## Discussion 0

 [Add to the discussion](https://mysteriesdept.com/signin?next=/mysteries/zodiac-ciphers/questions/QST0D71PEXW0XFF/what-are-the-last-18-letters-of-z408%23discussion)

Help with this question [

**Propose an answer** Something the evidence could support or rule out

] [

**Propose an answer** Something the evidence could support or rule out

](https://mysteriesdept.com/signin?next=/mysteries/zodiac-ciphers/questions/QST0D71PEXW0XFF/what-are-the-last-18-letters-of-z408%23add-answer) [

**Add evidence** A result for or against an answer

] [

**Add evidence** A result for or against an answer

](https://mysteriesdept.com/signin?next=/mysteries/zodiac-ciphers/questions/QST0D71PEXW0XFF/what-are-the-last-18-letters-of-z408%23add-evidence) [

**Ask a sub-question** A smaller question that would help settle this one

] [

**Ask a sub-question** A smaller question that would help settle this one

](https://mysteriesdept.com/signin?next=/mysteries/zodiac-ciphers/questions/QST0D71PEXW0XFF/what-are-the-last-18-letters-of-z408%23add-question) [

**Add a source** A paper, archive record or image

] [

**Add a source** A paper, archive record or image

](https://mysteriesdept.com/signin?next=/mysteries/zodiac-ciphers/questions/QST0D71PEXW0XFF/what-are-the-last-18-letters-of-z408%23add-source)

Where it fits

Zodiac ciphers

[**Is the 2020 decryption of Z340 the true message?** ](https://mysteriesdept.com/mysteries/zodiac-ciphers/questions/QST0D71PE6E3RE4/is-the-2020-decryption-of-z340-the-true-message)Key question · The Oranchak, Blake and Van Eycke decryption is the message the writer enciphered.

**What are the last 18 letters of Z408?** You're here · the tail is filler, copied from symbols above, to make the third section match the other two in size

 [

Ask a question under this one

]
