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Table 9: Example Stepping Ratios [1]

Using the results from Table 8, the most likely number of letters connected to cipher rotors 

C

0

, C

1

, C

2

, C

3

, C

4

 are 1, 2, 5, 7, and 11 respectively. Of the 2148 valid combination of pairs 

from Table 7, there are six sets of pairs that are consistent with the number of letters 

derived from Table 8. These six sets of pairs are shown in Table 10.

Set

Pairs

1

(0,1) (2,9) (3,4) (5,6) (7,8)

2

(0,1) (2,9) (3,5) (4,6) (7,8)

3

(0,2) (1,9) (3,4) (5,6) (7,8)

4

(0,2) (1,9) (3,5) (4,6) (7,8)

5

(0,9) (1,2) (3,4) (5,6) (7,8)

6

(0,9) (1,2) (3,5) (4,6) (7,8)