TheCodeBreakers
deciphered to Espana.
Other configurations are possible. Seven single digits will permit three
side coordinates, for a total of 37 cells in the checkerboard. Six
singletons will produce 46 cells; five, 55, and so on down to one
singleton, 91 cells. The arrangement with 28 equivalents has been widely
used for Latin-alphabet texts, that with 37 for Cyrillic texts.
Although the M DEL VAYO checkboard was used by the Swedish
fellow traveler Dr. Per Meurling only to teach his fiancee secret writing,
his knowledge of it testifies to
its use at that time by the Communists. He subjected the numerical
text resulting from the checkerboard to a multiplication, and then
reconverted the product to letters in another checkerboard. The system
resembled but was much weaker than Pliny Earle Chase's of 1859, and it
is unlikely that the Russians would have used it in that form.
The Spanish Civil War, a prelude to World War II, furnished the
annaabi.ee 
