29 bytes, or 229 bits, of information is a LOT. To put it another way, you have pick out the one sequence you saw from 2^229 other similar-looking sequences.

29 bytes, or 229 bits, of information is a LOT. To put it another way, you have pick out the one sequence you saw from 2^229 other similar-looking sequences. Our brains are really good with structure, and the problem is this information has no inherent structure. It's like memorizing, not a sentence of length 29 characters, but a 29-character string of random ASCII characters. (Memorizing pi to 29 digits is a mini-feat, and that's only using 10 different characters instead of 255.) I guess that's why all the techniques people are mentioning actually add information to the problem. Rather than trying to memorize 7S QD 3D 4C 10H ... you try to memorize some structured storyline with far more details, then pick the information out of the structure later.