

Spoilers for JoJo's Bizarre Adventure Part 6: Stone Ocean (Jail House Lock!
arc)

* * *

Emporio gives Jolyne a sheet of handwritten binary code and wants her to print
it out. Jolyne takes this and prints out a picture using her stand.

I can't understand how she manages to decode it by herself. Star Platinum can
quickly draw a photo-realistic image of a fly it saw but that doesn't apply
here. Stone Free is "decoding" something, not copying.

How can Stone Free decode binary code?

* * *

The sheet of binary code:

![Emporio holding the encoded picture](https://i.stack.imgur.com/81XlN.png)

Printout:

![Jolyne's decoded picture](https://i.stack.imgur.com/v70ET.png)


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2021-04-30T16:45:48.363
62653
2023-11-18T03:44:33.407
2021-08-26T20:21:22.050
question
jojos-bizarre-adventure
In chapter 101 of Stone Ocean, How can Stone Free decode binary code?


### Stone Free actually is copying something here.

Emporio's sheet of binary numbers isn't a coded message in the way that, say,
[Bacon's cipher](https://en.wikipedia.org/wiki/Bacon%27s_cipher) uses "00000"
to represent the letter "A", "00100" to represent the letter "E", and so on.
It's literally binary in the sense that there are two possible values: 0 or 1;
on or off; white or black.

Say the numbers written on the sheet looked like this:

[code]

    000000
    010010
    000000
    100001
    011110
    000000
    
[/code]

If I told you to replace each "0" with a period and each "1" with a pound/hash
symbol, you'd get:

[code]

    ......
    .#..#.
    ......
    #....#
    .####.
    ......
    
[/code]

See the smiley? :)

This is basically how Jolyne turns the binary numbers into an image with Stone
Free: replace each "0" with one shape, and each "1" with a second shape, and a
pattern emerges. You can see in your second image that the shaded areas have a
white "1" superimposed while the unshaded areas have a black "0" superimposed;
I'd say the numbers are a visual aid for the reader's benefit, while Jolyne
might be forming her string into shapes that have a high contrast between
light and dark.

[The anime adaptation of this
scene](https://www.youtube.com/watch?v=lVjCM2_dIYI) uses a more digital
representation, with Jolyne making her string travel underneath each "0" and
above each "1".


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