Z340 Cipher Decoded

Encrypted & Decrypted Grids With Complete Symbol Key

Published: February 8, 2026 — TheDecipherist

Property	Value
Date Sent	November 8, 1969
Length	340 characters
Solved By	David Oranchak, Sam Blake, Jarl Van Eycke
Solved Date	December 5, 2020 (51 years)

Z340 — ENCRYPTED (17 columns × 20 rows)

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17
1.	H	E	R	>	ꟼ	⅃	∧	V	P	Ʞ	I	◒	L	T	G	◓	⊙	1.
2.	N	ꟼ	+	B	φ	■	O	◪	D	W	Y	·	<	◪ᴿ	K	ꟻ	⦵	2.
3.	B	γ	工	⊃	M	+	u	Z	G	W	φ	⦵	L	■	⊕	H	J	3.
4.	S	ꟼ	ꟼ	◬	∧	⅃	▲	◪ᴿ	V	◑	ꟼ	O	+	+	R	K	◓	4.
5.	◻	△	M	+	⊕	⊥	Jᴿ	Dᴿ	I	●	F	P	+	P	◐	Ʞ	/	5.
6.	ꟼ	▲	R	∧	F	⅃	O	-	◪ᴿ	Dᴿ	C	Ʞ	F	>	◓	D	φ	6.
7.	■	●	+	K	∅	◪	I	⊙	u	⊃	X	G	V	·	⊕	L	I	7.
8.	φ	G	⊙	J	ꟻ	T	■	O	+	◻	N	Y	⊕	+	◻	L	△	8.
9.	⊙	<	M	+	8	+	Z	R	⊙	F	B	⊃	Ʞ	A	⊙	⊙	K	9.
10.	-	⊕	J	U	V	+	∧	J	+	O	ꟼ	△	<	F	B	X	-	10.
11.	U	+	R	/	●	⊥	E	I	D	Y	B	ꟼ	8	T	M	K	O	11.
12.	⊙	<	⊃	⊥	R	J	I	▷	●	T	⊙	M	·	+	P	B	F	12.
13.	⊕	⊙	△	S	X	■	+	N	I	●	F	B	⊃	φ	I	▲	R	13.
14.	J	G	F	N	∧	ꟻ	●	⊙	⊙	B	·	⊃	V	⊙	⊥	+	+	14.
15.	X	B	X	⊙	▷	I	⊙	△	C	E	>	V	U	Z	●	-	+	15.
16.	I	⊃	·	O	⊕	B	K	φ	O	ꟼ	∧	·	ꟻ	M	∅	G	⊙	16.
17.	R	⊃	T	+	L	⊙	⊙	C	<	+	F	J	W	B	I	⊘	L	17.
18.	+	+	⊙	W	C	⊕	W	⊃	P	O	S	H	T	/	φ	⊙	ꟼ	18.
19.	I	F	Ʞ	⊙	W	<	△	⊥	B	◻	Y	O	B	▷	-	C	⊃	19.
20.	>	M	D	H	N	ꟼ	Ʞ	S	⊕	Z	O	▲	A	I	K	I	+	20.
	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17

Row 3, Position 3 contains 工 — the disguised anchor symbol

Z340 — DECRYPTED (17 columns × 20 rows)

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17
1.	I	H	O	P	E	Y	O	U	A	R	E	H	A	V	I	N	G	1.
2.	L	O	T	S	O	F	F	U	N	I	N	T	R	Y	I	N	G	2.
3.	T	O	C	A	T	C	H	M	E	T	H	A	T	W	A	S	E	3.
4.	N	T	M	E	O	N	T	H	E	T	V	S	H	O	W	W	H	4.
5.	I	C	H	B	R	I	N	G	S	U	P	A	P	O	I	N	T	5.
6.	A	B	O	U	T	M	E	I	A	M	N	O	T	A	F	R	A	6.
7.	I	D	O	F	T	H	E	G	A	S	C	H	A	M	B	E	R	7.
8.	B	E	C	A	U	S	E	I	T	W	I	L	L	S	E	N	D	8.
9.	M	E	T	O	P	A	R	A	D	I	C	E	A	L	L	T	H	9.
10.	E	S	O	O	N	E	R	B	E	C	A	U	S	E	I	N	O	10.
11.	W	H	A	V	E	E	N	O	U	G	H	S	L	A	V	E	S	11.
12.	T	O	W	O	R	K	F	O	R	M	E	W	H	E	R	E	E	12.
13.	V	E	R	Y	O	N	E	E	L	S	E	H	A	S	N	O	T	13.
14.	H	I	N	G	W	H	E	N	T	H	E	Y	R	E	A	C	H	14.
15.	P	A	R	A	D	I	C	E	S	O	T	H	E	Y	A	R	E	15.
16.	A	F	R	A	I	D	O	F	D	E	A	T	H	I	A	M	N	16.
17.	O	T	A	F	R	A	I	D	B	E	C	A	U	S	E	I	K	17.
18.	N	O	W	T	H	A	T	M	Y	N	E	W	L	I	F	E	I	18.
19.	S	L	I	F	E	W	I	L	L	B	E	A	N	E	A	S	Y	19.
20.	O	N	E	I	N	P	A	R	A	D	I	C	E	D	E	A	T	20.
	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17

Row 3, Position 3 = C — the anchor position decodes to the PARADICE letter

Z340 Symbol Key

Reversed/Rotated Letters:

Ʞ = Reversed K (backwards K)
ꟼ = Reversed P (backwards P)
ꟻ = Reversed F (backwards F)
⅃ = Reversed L (mirrored L)
γ = X with bottom-left leg missing
工 = Capital I with curly bottom (DISGUISED ANCHOR = C)
Jᴿ = Reversed J (mirrored J)
Dᴿ = Reversed D (mirrored D)

Shapes:

△ = Outline triangle
▲ = Filled triangle
▷ = Right-pointing triangle
◬ = Triangle with dot in center
◻ = Outline square (no fill)
■ = Filled square
◪ = Square with diagonal line
◪ᴿ = Reversed ◪

Circles:

⊙ = Circle with dot in center
● = Filled circle
⊖ = Circle with horizontal line
⊕ = Circle with cross (crosshairs)
∅ = Circle with diagonal slash
⊘ = Circle with diagonal line
φ = Phi symbol
◒/◓/◑/◐ = Half-filled circles
⦵ = Circle with horizontal line extending

Other Symbols:

⊃ = Reversed C
∧ = Caret / Lambda
⊥ = Upside-down T
> / < = Greater than / Less than
· = Middle dot
/ = Forward slash
- = Dash

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