Comment by larryboyko

Hm. My 01.txt that yields the expected SHA256 sum of a2e617919bc0b981a4f9bb8470ed37d189958e4c5b167e58b417a84c29a66c29

is:

... 0x3e1175 bytes long

... starts with «Congratulations!»

... ends with «ZO?-m[FmGp-+;KM»