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Keyword Transposition. Message and key. Brad had gone to St Andrews to play golf. Key: Friday. Step 1: write across columns under keyword. Step 2: reorder columns by keyword alphabetical. Step 3: read by columns. FRIDAY. ADFIRY. bradha sgonet ostsnd rewssc otland toplay golf.
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Message and key Brad had gone to St Andrews to play golf Key: Friday
Step 1: write across columns under keyword Step 2: reorder columns by keyword alphabetical Step 3: read by columns FRIDAY ADFIRY bradha sgonet ostsnd rewssc otland toplay golf hdbara ensogt naotsd ssrwec naoltd altpoy fglo Encrypted message hensn adnas alfbs orotg aotwl plrgs etooa tdcdy