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In a certain code, n th letter in the English alphabet is coded as ( n + 4 ) ( mod 26 ) th letter if n is even and ( n − 4 ) ( b mod 26 ) th letter if n is odd. The inverse process is used for decoding.
Using this information answer the questions from 56 to 60 .
Using this information answer the questions from 56 to 60 .
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