The Special Fish Report
Albert W. Small (December 1944)
Page 11
Tony Sale's
Codes and Ciphers
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CX/MSS
TOP SECRET Special Fish Report Page 11
set k1 01 k2 04
01.2 & 4.
r 1465 a 732 £ 19.1 st 751
k3 k4 k5
...02.......b 0761
......03....c 0785 <- likely for K5
05..........a 0751
07..........a 0796 ch 3.3 £ <- for K3
...07.......b 0752
......07....a 0757
...13.......b 0756
......13....c 0767
......14....c 0758
18..........a 0759
...19.......b 0761
......19....c 0769
......20....c 0766
22..........a 0754
23..........a 0769
...24.......b 0752
......03....c 0785
28..........a 0755
...02.......b 0761
......07....c 0757
...07.......b 0753
05..........a 0751
Total positions looked at = 1465. Expected random score = 732. One sigma
equals a count of 19.1. Set total for short runs (equals 1 sigma up = 751.
Nothing valuable on the above run showed for X4, and only 3.3
sigmage for X3 at 07.
Assuming X3 to be correct (odds = 1/29 x 1,400 = 48:1 if X1X2 were
correct) the next try was to obtain X4 from (4p/3}x1x2x and this run
is shown below, together with a C-3 run.
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