The Nineteenth Byte

In botany, a tree is a perennial plant with an elongated stem, or trunk, supporting branches and leaves in most species. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are usable as lumber or plants above a specified height. Trees are not a taxonomic group but include a variety of plant species that have independently evolved a woody trunk and branches as a way to tower above other plants to compete for sunlight. In looser senses, the taller palms, the tree ferns, bananas and bamboos are also trees. Trees tend to be long...

Pavel

I asked about Trees. You seem to have linked me to Tree.

What is this.

ATaco

We need atleast one more tree

Qwerp-Derp

Two trees are better than one.

Destructible Watermelon

@Pavel you'll notice the text mentions trees

its just to do with wiki title limitations I guess

Nathan Merrill

5:26 AM

hey, anybody here used zeromq?

Pavel

no

Anonymous

@WheatWizard "Underlings" is an interesting way to refer to people who don't have hammers :P

Downgoat

@Qwerp-Derp :D 10/10 great community service work

The world will thank you for the extra oxygen

Pavel

I just read that Trump's approval rating is 37%

That seems way too high.

Downgoat

That is still like record low

Mistah Figgins

5:38 AM

@Qwerp-Derp Necromancy? What's this?

Nathan Merrill

@Pavel that depends on who you listen to for media

Pavel

I understand, but still...

I know one person who wasn't disapointed by the election result, and that was because he figure Clinton was even worse, not that trump was better.

WTF

DJMcMayhem

@Pavel That just means you are in a liberal circle. It doesn't necessarily represent the opinions of most of the country

Pavel

I know all that

It's really disconcerting, nonetheless.

DJMcMayhem

If you consider that roughly 50% of the country voted for him, it's pretty dang low

Anonymous

5:44 AM

@Pavel I think that person is a little bit confused

Anonymous

Either that, or it was that celebration of the wall coming down

Pavel

rougly 50% of the country voted at all.

Anonymous

Or one of the many pieces of the wall that are displayed as monuments all over the world

DJMcMayhem

57.6% apparently

Qwerp-Derp

@DJMcMayhem I thought it would be 30%

Downgoat

5:47 AM

@DJMcMayhem :/ my numbers show it's 47 percent of country voted

Nathan Merrill

Voter turnout in the United States presidential elections

The broadest historical trends in voter turnout in the United States presidential elections have been determined by the gradual expansion of voting rights from the initial restriction to white property owners in the early years of the country's independence, to all citizens aged 18 or older in most of the last century. Voter turnout in the presidential elections has historically been better than the turnout for midterm elections. == Women's suffrage and gender gap == There was no systematic collection of voter turnout data by gender at a national level before 1964, but smaller local studi...

Pavel

@Mego you can look at her twitter, she's a Trump supporter.

Nathan Merrill

This says 54.4%

Anonymous

This says 60%

Anonymous

Well, between 58.9% and 60%, due to differences in how states count their ballots

Anonymous

5:50 AM

So around 60% of all eligible voters in the US voted

Pavel

Anyone on Windows 10 Insider Preview: Win+Shift+S allows you to copy a section of the screen.

Nathan Merrill

@Mego what is VAP Highest Office?

because that matches the 54.4

Pavel

Anonymous

@NathanMerrill As it says right there on the page, Voting Age Population

Anonymous

But there are people of voting age who are not eligible to vote

Pavel

5:52 AM

Because they haven't registered

Or are in jail

One of the two

Anonymous

Registration has nothing to do with it

Nathan Merrill

right, but "Highest Office"?

Anonymous

It's mainly non-citizens

Nathan Merrill

vs Total Ballots Counted

Pavel

Oh yeah

Anonymous

5:52 AM

Highest Office means the percentage of people who voted for the highest office on the ticket

Anonymous

Which is President in presidential election years and either gubernatorial or congressional counts on midterms

Anonymous

The counts show that about 2.5 million people who voted didn't vote for president

Anonymous

Or voted for a write-in in a region where write-in vote counts are not reported

Pavel

All the political news today is really sad. Here's two things that happened today:
A) It's been discovered Trump has potentially been in communication with Russian officials for five years
B) Trump has a fetish for 'golden showers'
Guess which one everyone is talking about.

I'm all for dissing on trump's latest embarassment, but can we please keep it to anything related to politics? In the grand scheme of things, a fetish isn't all that wrong.

DJMcMayhem

Actually, I'd rather if we kept it to anything not related to politics.

2

In TNB atleast

Downgoat

5:59 AM

@Pavel Is A really true? Like I know Trump can be considered a sketchy charcater but A seems a bit far O_o

actually nevermind, dr ham jam is right

Pavel

Well, that's why I sad 'potentially'.

We don't actually know for sure, but the CIA released that info earlier today. They're not naming any sources though.

Still, if you have to talk about politics on your newshow, why are you talking about B and not A?

DJMcMayhem

@Downgoat If you're looking for a topic change, I just wrote the first tiny bit of a brain-flak matched-bracket test. Try it online!

I'm pretty proud of it

Downgoat

D: I don't speak brainflak either

Pavel

What does -a do?

Downgoat

Why don't we talk about cheese, I like cheese

DJMcMayhem

6:02 AM

@Pavel String input

Pavel

Ah

Oh no it only matches round brackets.

I thought it was a brain-flak validator in brain-flak

That's still really cool though.

DJMcMayhem

Yeah. It's gonna take atleast another hour or so to add the other brackets

Downgoat

Speaking of cheese, I made a thing in a language named after cheese!:

Pavel

How long did that take?

Downgoat

cheddar> let f = (> : 5)
cheddar> f(6)
true
cheddar> f(4)
false

DJMcMayhem

6:04 AM

It'll also be hard to make it fail on non-brackets

Downgoat

:O Hello @ASCII-only! You're back :D

Pavel

@Downgoat according to my timecapsule form, you have two languages you're supposed to be developing.

Downgoat

oh those were just jokes

I was not going to actually implement them

Pavel

goddamit goat

3

Downgoat

I was thinking to just make a PPCG challenge and have you guys do that part

DJMcMayhem

6:05 AM

@Pavel I'm not sure. I lost track. 30-60 minutes?

Pavel

I can't delete form submissions.

Wow. That's... pretty good.

Is there a challenge for this? I'm fairly certain there is.

DJMcMayhem

Yeah, I wrote it. :P

Pavel

Make sure to add an explanation when you post!

ASCII-only

@Downgoat hopefully

DJMcMayhem

Yeah, I have a commented version. I didn't bother to post it because it's 13k bytes

Pavel

6:08 AM

That's... 12.8k bytes of commentary.

For a 200 byte program

DJMcMayhem

Nah, it's mostly whitespace

Pavel

Oh.

Hastebin?

DJMcMayhem

By my count, it's about 400 bytes of whitespace, 400 bytes of comments and 200 of code

New Main Posts

0

Q: Need help on python 3x on creating an input string that gives a true or false output

Each single digit from 0-9 is valid. two or more digits are valid as long as it doesn't start with 0. x+y x-y x/y x*y are valid expressions Nothing else is a valid expression Hints on how to do it will be useful and how the code works. Thanks in advance

python

DJMcMayhem

Hmmm. For a string based challenge, is it reasonable to assume that inputs will not contain unprintable characters?

ATaco

6:17 AM

Generally, but depending on the challenge you may wish to ask the OP.

DJMcMayhem

I am the OP. :P

Pavel

@DJMcMayhem Yes

Dennis

For which challenge is this?

DJMcMayhem

39

Q: Are the brackets fully matched?

You must write a program or function that takes a string of brackets and outputs whether or not that string is fully matched. Your program should print a truthy or falsy value, and IO can be in any reasonable format. Rules and definitions: For the purpose of this challenge, a "bracket" is any...

code-golf string balanced-string decision-problem

I'm trying to write it in brain-flak, and that might be able to save me a ton of bytes

Pavel

Wait if you're the OP you get to decide that.

You don't need to ask here.

DJMcMayhem

6:20 AM

Well yeah, but I don't want to arbitrarily override things for my own convenience

Downgoat

@DJMcMayhem okay I can't post cheddar answer but cheddar but it would of been: s->!s.sub(/\(\)|\[]|{}|<>/r)

DJMcMayhem

Why not? Just go non-competing

Dennis

I don't think the challenge benefits from unprintables in any way. I'd clarify that in the question.

Downgoat

no I mean like code is in bindings branch which is non-merged

Dennis

The sed answer would also break with newlines.

DJMcMayhem

6:23 AM

OK cool.

It would be nice if we could just always assume printable-ASCII unless explicitly stated otherwise

(Although I guess newlines are a little bit of a weird case)

Pavel

Meta post?

Qwerp-Derp

6:36 AM

@ASCII-only You're back what

ASCII-only

@Qwerp-Derp I'm back what

Qwerp-Derp

@ASCII-only :O you're back! Where have you been?

ASCII-only

@Qwerp-Derp Holiday, rarely any internet + no laptop

Qwerp-Derp

@ASCII-only Unfortunate

Pavel

Nice to meet you!

Ooh! New xkcd up!

Qwerp-Derp

6:42 AM

This is probably the most beautiful video on Youtube

trichoplax

I watched it right through. Looks and sounds like noise to me...

Pavel

Trichoplax stumbles upon the point of the video.

trichoplax

If the point is noise, why is it posted here?

Pavel

This is a trick question, isn't it.

trichoplax

It's really not

Pavel

6:49 AM

Well, my theory is that Qwerp-Derp though we would enjoy seeing it, and seeing as how chat's really slow right now, noise isn't causing any harm.

Qwerp-Derp

@Pavel Yup (except for the noise bit)

ASCII-only

anyone know what happened to calesyta?

Qwerp-Derp

@ASCII-only Uhh it died

OK the website is down as well

Pavel

Who is caleysta?

Qwerp-Derp

@Pavel It's a competition for esolangs

trichoplax

6:56 AM

@Pavel Chat being slow is no excuse for noise. It means someone arriving in chat has to scroll back through noise to find what the previous conversation was about, and also makes reading the transcript painful.

ASCII-only

I think someone needs to fix this then, it hasn't been updated in a few months

DJMcMayhem

Muahahaha, it works!

The matched bracket-tester, that is

ASCII-only

@Downgoat probably? idk when exactly i'll be able to spend more time on my laptop though

@trichoplax Can you unfreeze the VSL room? Thanks in advance

Pavel

For all of []{}()<>?

DJMcMayhem

Yup

It also fails on non-bracket inputs, which was surprisingly the hardest part

ASCII-only

7:03 AM

I'm assuming this is for brain-flak?

Pavel

Yep

Give us the TIO link

DJMcMayhem

Just a second, I'm writing up an answer

ASCII-only

Oh, it's written in brain-flak?

DJMcMayhem

>:D

Pavel

TIO makes those for you tho

trichoplax

7:08 AM

@ASCII-only Done (in case the message in the other room doesn't ping you)

ASCII-only

@trichoplax It did, thanks

Pavel

What's VSL?

(I'm relatively new)

ASCII-only

It was a language in development, similar to Cheddar but designed to be faster, the interpreter actually hasn't been started yet

Development kinda stalled when I went on holiday, looks like Downgoat has been learning some C++

Pavel

I hear Cheddar is fast now, the goat did a thing so it compiles as C? Something like that, not really sure.

TrojanByAccident

e.e

my school computer is idiotic

"URL that is being blocked: academia.stackexchange.com/questions/82909/is-it-fair-to-give-zeros-to-students-who-missed-early-assignments-because-they-a
Reason this is blocked: Keyword: "ass""

ASCII-only

7:13 AM

That's probably your school's IT department being worse than average

@Pavel IIRC Downgoat made it compile to an intermediate representation so it doesn't have to reparse the code every time or something

But VSL is going to have a C++-based interpreter and Bison-based parsing so it should be faster, plus it has some features Cheddar doesn't have

Pavel

@TrojanByAccident get a VPN

TrojanByAccident

@Pavel none work, they all get blocked

Pavel

download.cnet.com/Ultrasurf/3000-2381_4-75758651.html

TrojanByAccident

And can anyone assist me in finding a good .py -> .exe program? All the ones I've found don't work

Pavel

CXFreeze

ASCII-only

7:16 AM

@Pavel Uh that's most likely not the reason

TrojanByAccident

@Pavel "Editors' Note: Download.com has removed the direct-download link and offers this page for informational purposes only."

ASCII-only

The software is probably on the computer itself, all you need is a third-party task manager e.g. Process Hacker

TrojanByAccident

@Pavel I've tried, can't get it to work

@ASCII-only Or I need to reset the Admin's password

which I, for some reason, am able to do

but I'd rather not

ASCII-only

Is this a loan laptop or a school computer?

@TrojanByAccident If you don't need it to be cross-platform just open it in IronPython and build to a .NET executable

@TrojanByAccident docs.google.com/spreadsheets/d/…

trichoplax

Discussion of how to bypass school administrative restrictions is best avoided here, even though your intentions are clearly not malicious.

Pavel

7:20 AM

imgur.com/gallery/H8obU

ASCII-only

@trichoplax Oh yeah sorry

DJMcMayhem

0

A: Are the brackets fully matched?

Brain-Flak, 1101 bytes {({}<>)(<>())(<>{}<>)(({}))((((()()()()()){}){}){})({}[{}]<(())>){((<{}{}>))}{}{{ }{}(<{}>)((()))(()<>)(<><{}>)}{}(({}))((((()()()()()){}){}){}())({}[{}]<(())>){(( <{}{}>))}{}{{}{}(<{}>)((()))(()<>)({}[{}](<()>)){{}{}(<(())>)}{}{<>{{}}<>{{}}((<( )>))}{}(<><{}>)}{}(({}))(((...

3

Done!

Pavel

Awesome

TrojanByAccident

@ASCII-only ?

@ASCII-only Downloaded py2exe, told me that I needed py2

ASCII-only

@TrojanByAccident Not really important, it's just that I had a loan laptop and enabled Control Panel which I found really useful

@TrojanByAccident It isn't that hard to port to Python 2

@TrojanByAccident Also that isn't mine btw and it's a few years old

TrojanByAccident

7:29 AM

@ASCII-only I've got a laptop given by the cyberschool, for the school year, if that's what you mean. I've got access to some stuff, but I don't really have any system privs

Pavel

Clone the hardrive in the present state and install a new OS.

ASCII-only

@Pavel There's no need

Pavel

There is every need.

ASCII-only

I'd just get a third party Registry Editor and enable Control Panel + Task Manager

TrojanByAccident

@ASCII-only I've got Task Manager and Control Panel access, just not full control

Anonymous

7:34 AM

Why are you still on the topic of bypassing administrative restrictions?

Dennis

@DJMcMayhem Trivia: The encoded request is less than 200 bytes long.

Sherlock9

@TrojanByAccident Does that computer block urls with "Michelle" in them because that word contains "hell"?

Qwerp-Derp

Yay I made a ProgressBar class for my game

DJMcMayhem

@Dennis Cool. How is it encoded?

Dennis

DEFLATE-compressed, raw binary.

TrojanByAccident

7:36 AM

@Sherlock9 no, hell is fine. it'll block a google search for 'How to fix a crack in iPhone screen', though

Sherlock9

For containing "crack" and "iPhone"?

TrojanByAccident

@Sherlock9 for containing 'crack'

however something like 'crackmarket' is not blocked

Sherlock9

I'm just going to sit here with my head in my hands for a few minutes

Dennis

I'm probably overthinking the storage issue. A 64 KiB permalink costs 0.0006 cents.

Sherlock9

That is simply awful filtering

DJMcMayhem

7:39 AM

@Dennis Speaking of compression, that reminds me. Why doesn't this bubblegum program work?

Try it online!

For that matter, why are the two example programs the same?

TrojanByAccident

@Sherlock9 I once found a site blocked for "Prohibited Friendship content"

I think there's a message here

Friends and fixing broken iphones are not allowed

but buying/selling crack is fine

Also, twitter is not blocked, though Facebook and all others are

ASCII-only

You can't kill the website blocker in Task Manager?

TrojanByAccident

@ASCII-only no, it's got the iBoss certificates in the system

Dennis

@DJMcMayhem Two reasons: 1. I messed up the wrapper. Forgot Bubblegum can actually take input. 2. Input should be 1 2, not 1, 2.

Try it online!

TrojanByAccident

and youtube is only always blocked in firefox, only blocked half the time in chrome

Dennis

7:44 AM

@DJMcMayhem Why not? :P

DJMcMayhem

Well when you put it that way...

Anonymous

Man, just when I thought I was done being sick... The chest cold is back with a vengeance.

TrojanByAccident

@Mego Actually, colds can't express "vengeance"

you should know this, it's BASIC

Dennis

@DJMcMayhem Bubblegum was mainly a critique of our definition of programming language. I thought it was nifty to fullfil both criteria with the same program.

DJMcMayhem

I could tell. Just reading the spec is dripping with sarcasm

It's like "Well sure, I'll be a real language by your definition. But that's it! No more!"

Fatalize

7:48 AM

I have made that CW, if you know of other languages where * is a valid program for multiplication

TrojanByAccident

Py2exe gives "Python version 2.7 is required" when I try to run it e.e

DJMcMayhem

Anyway, the reason I asked was because I really wanted to post this answer

Dennis

@DJMcMayhem Oh, haha. How did I miss this opportunity? I don't thi k you need the hexdump in your answer.

You know, for "clarity".

DJMcMayhem

Good point. Edited

Anonymous

But how will I ever reproduce that ASCII text without a hexdump?

DJMcMayhem

7:55 AM

With your flippers and a regular keyboard

Dennis

I'm not sure regular keyboards are made for flippers.

Anonymous

My keyboard only has one key on it: "make pun"

Dennis

That's the punguin edition, yes?

Anonymous

This answer is a shoo-in for Best Explanation next year

4

Anonymous

@Dennis Naturally (no that isn't a new programming language)

Dennis

7:59 AM

Yet.

Anonymous

Well, I have the exclusive claim on adverb languages :P

TrojanByAccident

@Mego F that keyboard, then

Fatalize

@Mego *yet

Anonymous

>_>

Fatalize

… I got ninja'd by Dennis minutes after him

brb checking my eyes

Anonymous

8:03 AM

I have other plans for adverb languages already

Anonymous

That I should be working on

Fatalize

Already spoilers

Anonymous

I can't escape :(

Sherlock9

@Mego Those comments should probably be moved though.

@Mego You're adverbly affected

Anonymous

@Sherlock9 Tanks for that

Sherlock9

8:08 AM

Cheers, mate :D

TrojanByAccident

@Mego You're the bomb

ATaco

Mego set us up the bomb.

Pavel

8:29 AM

Bubblegum looks a lot like Python.

TrojanByAccident

@Pavel It gives you something to chew on ;)

mınxomaτ

10:43 AM

I see Geobits ventured into comic drawing.

TrojanByAccident

@mınxomaτ that's tearable

Anonymous

11:01 AM

I finally fixed the source of several weird bugs in Actually :D

TrojanByAccident

@Mego Seriously? a +1?

Anonymous

11:23 AM

@TrojanByAccident Yep. The contributor who wrote that code (glares at @ASCII-only) missed it.

ASCII-only

@Mego whoops sorry runs away

Anonymous

Hey, it's an easy mistake to make :P

Anonymous

You still get lots of points for writing a much better implementation of primality testing than what I originally wrote

TrojanByAccident

@Mego I was being punny :P

@Mego in that repo, in the .travis.yml file, I'm assuming deploy: provider: pypi user: "Mego" password: secure: . . . is your password?

Anonymous

@TrojanByAccident It's encrypted

TrojanByAccident

11:32 AM

@Mego I know. I was wondering if you'd mind me testing my crypto-analysis scripts with it

TuxCopter

Hallo

Anonymous

You can try, but I doubt you're going to break RSA anytime soon

TuxCopter

He maybe have a quantum computer

TrojanByAccident

@Mego maybe not.

@TuxCopter I wouldn't be able to measure my computing power if I did ;)

And as of current, I'm still both in school and unemployed, meaning I'm neither working for google nor have access to their quantum computer

Anonymous

A 3-qubit quantum computer won't help you break 4096-bit RSA

TrojanByAccident

11:43 AM

6 mins ago, by TrojanByAccident

@Mego maybe not.

Anonymous

Here, you can even have the public key:

curl -s https://api.travis-ci.org/repos/Mego/Seriously/key | python -c 'print input()["key"]' | openssl rsa -pubin -inform PEM -text

TrojanByAccident

lol

I have no idea what curl is

TuxCopter

you what ಠ_ಠ

ASCII-only

@Mego *quantum annealer

Anonymous

@TrojanByAccident It's a program that does requests

ASCII-only

11:53 AM

It may be possible for a quantum annealer to break RSA though, but I'd think it D-Wave is close to making ones with that many qubits yet

Anonymous

curl -s http[s]://URL sends a GET request to the URL and dumps the output on STDOUT, without showing the progress bar

Anonymous

@ASCII-only Quantum annealers aren't TC. They can't run Shor's algo.

TrojanByAccident

@Mego how do I install it?

Anonymous

@TrojanByAccident If you're running Linux, you should already have it. If you're on Windows, grab Cygwin.

ASCII-only

@Mego Wait Google has an actual quantum computer?

TrojanByAccident

11:57 AM

@ASCII-only Yes

@Mego I've got Cygwin, although it's disabled via Sophos due to 'virtualization'

ASCII-only

Oh wait nvm IBM has quantum computers already too right?

Anonymous

Yeah, but only like 4 qubits

Anonymous

(not counting the D-Wave AQCs)

New Meta Posts

12:11 PM

0

Q: Should I delete a downvoted question?

Some times ago, I posted a question that is now -3. I got some good answers that helped me (and I accepted one of them), but the -3 score hints that the question is not good. Should I delete it?

discussion questions

mınxomaτ

12:27 PM

@ASCII-only quantumexperience.ng.bluemix.net/qstage

Programmable 5 qubit QPC.

Oh great. Hail.

isaacg

1:17 PM

I made a fast solution to this challenge

codegolf.stackexchange.com/questions/102466/…

Here:

github.com/isaacg1/knot

El'endia Starman

> LIGO took a pause to upgrade its sensitivity, but is now working again. As a rough estimate we expect it to detect a merger around one a month, that is roughly once a month a black hole binary will merge somewhere in the region of the universe that lies within LIGO's detection limits.

This is AWESOME.

Especially after watching this video by Veritasium:

The Absurdity of Detecting Gravitational Waves

►

PhiNotPi

1:31 PM

Is it possible for humans to create gravity waves powerful enough to be measured? (assuming the detection equipment is literally almost touching the wave-generation machine)

El'endia Starman

Almost certainly not.

PhiNotPi

Yeah, I agree, I'm just curious how the 1.3-billion light-years vs. a couple millimeters compares with the inverse square law.

El'endia Starman

> In its final moments of spiraling inward and merging, GW150914 released around 3 solar masses as gravitational energy, peaking at a rate of 3.6×10^49 watts — more than the combined power of all light radiated by all the stars in the observable universe put together.

PhiNotPi

Wolfram alpha seems to say that those distances are about 28 orders of magnitude apart.

Which, by inverse square law, means we only need a signal 1x10^-56 times as powerful.

El'endia Starman

Of gravitational energy. That's the hard part.

isaacg

1:38 PM

The entire earth-sun gravitational system radiates 200 watts of gravitational energy

Also, LIGO is 4km long, so you can't get closer to it than 2km

so there go 6 orders of magnitude

LIGO could detect about a 1 watt source

Unfortunately, that's about as much as the moon going around the earth.

PhiNotPi

more than that... inverse square law now says 1x10^-44

isaacg

Sorry, you're right.

PhiNotPi

So 100,000 watts, right?

isaacg

Yep

Or 5000 sun-earth systems

all within 2km of LIGO

500*

El'endia Starman

Challenge accepted.

What if we magically duplicated our Sun and got them orbiting so close that their surfaces touch? How much gravitational energy does that radiate?

isaacg

1:43 PM

Quickly supernovas

Not sure

When two black holes merge, 5% of the starting mass is released as gravitational energy

might be similar?

Anonymous

2:08 PM

@El'endiaStarman Ask Randall

mınxomaτ

2:37 PM

I'm pretty sure that wouldn't pass review.

Poke

2:50 PM

tfw someone creates a "System-Wide Emergency" ticket for an idea s/he had...

New Meta Posts

0

Q: Trailing Newlines, Spaces, Limited Precision and Language Limitations

I think we should gather a list of all languages that are, by default, allowed to to do things differently on challenges that do not explicitly disallow it. Every question I write it seems that someone asks if, "Can I do X instead of Y?", or if, "Can I have X different from the specified output, ...

discussion

mınxomaτ

This is definitely the last Behringer mixer I've ever bought. Everything I used from this brand has been utter crap. The XENYX and MIDAS pres are noisier than TNB when there are no mods around.

Anonymous

@mınxomaτ Shots fired

El'endia Starman

Ahahaha

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