#atomic-substitution-theory

BroncoCTF : Atomic Substitution Theory Writeup

Challenge We're given secret.txt, a single line of comma-separated tuples wrapped in what looks like braces and underscores: (4, 17), (2, 16), (2, 15), (4, 9), { , (3, 2, 1), (5, 3), _ , (2, 17), ...