THIS IS ALL THE GIVEN INFORMATION
This is your hint: A to Z and 0 to 9, but no spaces and no
punctuation.
GATCGCATGGCGGAACATCTCAGACGCATGACTGATATAGATCATCCCTTTGATCATATCTCCCTCGATACTCATGCGTAGATAGCAAACGCGATAACTCTAACTCATTAGCTCACTGCAGATCTCATAGATATGCATACT
Here’s another sequence that might help.
CTTCAGAAACGGTCGGGTGACAATGGCCACTGACGACAAACAAGGTAAATTGTC
Decode the following:
ATAGGTGGTATGCAGATAACTGATCACCATAGAGCACGCAGAATGGCGGATTCGATAGCGATGGCGATAACTATAATGACTAGGTTTATC





