Enigma Model D cipher machine challenge


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The Enigma Model D is the most common commercial version of the Enigma. The Model D was developed in 1926. It succeded to the C Model developed in 1924. The Model D was used by several companies and armies, among them, the Italian Navy and the Swiss Army.

The main difference with the German military model is the absence of the Plugboard.

Problems (notes)

1st Problem
(very easy)
Luigi Tomelli
27/11/18
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2nd Problem
(easy)
Luigi Tomelli
27/11/18
. . . . . . . . . . .
3rd Problem
(medium)
Luigi Tomelli
27/11/18
. . . . . . . . . . .
4th Problem
(medium)
Luigi Tomelli
27/11/18
. . . . . . . . . . .
5th Problem
(easy)
Luigi Tomelli
27/11/18
. . . . . . . . . . .