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The DADA URKA cipher
 
DADA URKA is a simple cipher that is known from a Donald Duck booklet printed in Germany 1986.
 

(c) Delphin / Walt Disney
 
The cipher is found (google) mainly in combination with Geocaching. It is simple and also alike some historical octothorpe # ciphers, such as those used by the free masons in the 18th and 19th century.
 
Free mason alphabet shown in a
book about ciphers dated 1808.
Octothorpe cipher described in Andre
Langies book "De la Cryptographie" 1918
 
Using Dada Urka, every character is represented by the borders of its field in the octothorpe sign.
 
 
These nine field are not sufficient to represent 26 characters, so additional dots (one or two) help. Here are some examples.
 
Copyright © 1998-2009 Tobias Schrödel
15200 / 4394226
 
 
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