Yesterday afternoon, a woman seeking help with a decades-old family mystery posted a thread on Ask Metafilter titled "Decoding cancer-addled ramblings":
My grandmother passed away in 1996 of a fast-spreading cancer. She was non-communicative her last two weeks, but in that time, she left at least 20 index cards with scribbled letters on them. My cousins and I were between 8-10 years old at the time, and believed she was leaving us a code. We puzzled over them for a few months trying substitution ciphers, and didn't get anywhere.

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