John - You and I obviously have different applications/needs for Norton.
I can fill-in between the lines.
If i NEED to READ the entire contents in HEXIDEC to find the origin and then fill in every seventh slot - Norton will provide the best combinations of possibilities for the ZERO-hole.
Sincerely,
Gargoyle
a fun test ... take a file/anyfile - deleat/shred/encript - and just marvel at what Norton can recover.