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 PostPost subject: [RFC] DiscImageChef        Posted: Tue Aug 02, 2016 12:47 am 
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Greetings programs,

First of all if this post is spam or inappropriate, I'm sorry, I though it may be of interest to beta software collectors.

I've been some years developing DiscImageChef, that you can download from https://github.com/claunia/DiscImageChef

This software has the following features you may find interesting:
  • It is open source
  • It's extensible, so anything not listed here that you need, you can ask or code it yourself
  • It's multiplatform, runs anyplace where you can get .NET/Mono running (tested on Windows, Linux, Mac OS X and FreeBSD)
  • Supports different disc image formats (currently 2MG, BIN+CUE, NRG, TD0, VHD, BIN+TOC, GDI, IMG/ISO/RAW/DD, more coming)
  • Can detect and traverse different partition schemes (Apple Partition Map, Atari, MBR, NeXT disklabel, Amiga RDB, Sun disklabel, GPT)
  • Can detect and show information about several filesystems (Amiga OFS/FFS/FFS2, HFS, HFS+/HFSX, BeFS, ext, ext2, ext3, ext4, UFS/UFS2, HPFS, ISO9660, minix, NTFS, ODS-11, Opera, PC-Engine, ProDOS, SolarOS, System V/Coherent/XENIX, UNIX BFS, Acorn ADFS, btrfs, APFS, Apple Lisa, U.C.S.D Pascal, MFS)
  • Can list and extract files from several filesystems (beta features, supports Apple Lisa, U.C.S.D. Pascal and MFS)
  • Can compare two disc images, even of different formats, for differences
  • Can calculate several checksums of the disc image contents
  • Can verify a disc image integrity (if the format or the contents support it)
  • Can output sectors in hexadecimal
  • Can create an XML sidecar with information describing the disc image and its contents
  • Can get information from an IDE/EIDE/ATAPI/SATA, SCSI/SAS, USB, FireWire device (tape or disk, only supported on Linux and Windows)
  • Can get information from the media inserted on a device
  • Can dump a disk (anything attached in the previously named buses. Tapes not yet supported)

I'm posting it here for your joy, in the hope you spam me with feature requests and bug reports.

Thanks for reading


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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 02, 2016 9:43 am 
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This actually sounds pretty good, I'll definitely try it out. Thanks for posting this. :)

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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 02, 2016 3:24 pm 
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This is easily one of the most useful projects posted to BA in years. I can definitely see this coming in handy for some of my own projects.

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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 02, 2016 4:35 pm 
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Now that's genuinely a nice job. Well done!

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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Sat Aug 06, 2016 9:42 am 
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Also, I like that little Tron reference. :)

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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Sat Aug 06, 2016 5:04 pm 
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Wow, when I initially saw this thread I was expecting another kid wanting feedback on the "web browser" he made with VB/WinForms or something, but I couldn't have been more wrong :)

Really great work. As Hounsell said, this is the most useful project I've seen here in a long time.

Just wondering, do you plan on implementing support for the Alcohol 120℅ MDS/MDF format? It's what I use to dump CDs and DVDs in my collection, so I don't know about anyone else, but I'd certainly find it useful.

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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Sat Aug 06, 2016 6:23 pm 
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marcoguy, I plan to support all disc image formats I can.


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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Sat Aug 06, 2016 6:47 pm 
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Could support for CopyQM images (by Sydex, makers of TeleDisk) be added?

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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Sun Aug 07, 2016 1:17 am 
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Awesome! I especially like your priorities (FILES-11 and Sun disklabels for example ;-) )

Started and watching the Repo now (have some ideas already :-) )

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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Sun Aug 07, 2016 4:42 am 
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Overdoze wrote:
Could support for CopyQM images (by Sydex, makers of TeleDisk) be added?


Added on https://github.com/claunia/DiscImageChe ... /v3.2.99.1

But I only had a few images to test, XENIX 2.3.2d and some synthetizer disks so if it crashes, report :p

marcoguy, Alcohol 120% will come soon, do not worry.

Darkstar feel free to PM your ideas or create an issue in Github.


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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 09, 2016 3:50 pm 
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marcoguy wrote:
Wow, when I initially saw this thread I was expecting another kid wanting feedback on the "web browser" he made with VB/WinForms or something, but I couldn't have been more wrong :)

Really great work. As Hounsell said, this is the most useful project I've seen here in a long time.

Just wondering, do you plan on implementing support for the Alcohol 120℅ MDS/MDF format? It's what I use to dump CDs and DVDs in my collection, so I don't know about anyone else, but I'd certainly find it useful.


Added to https://github.com/claunia/DiscImageChe ... /v3.2.99.2
Enjoy :P !


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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Thu Aug 10, 2017 6:17 am 
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This is actually very useful. Thanks for posting! I'll definitely check it out! :D

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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Thu Aug 10, 2017 2:09 pm 
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I'm happy to see people find my tool so useful as to make this a sticky topic.

You really have my gratitude!

I have been preparing a HUGE update with lots of new features, and as soon as I have it prepared (as I'm doing this alone in my free time) I will post the details here.

Nonetheless don't forget, please, any feature you want, any bug you discover, any disk/disc/tape image format you want supported, create an issue in github and I'll check it as soon as I can.


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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 15, 2017 5:17 am 
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I just wanted to add my 2 cents: Of course your tool (toolbox?) is a great and useful one ;)

Congratulations for your work! I hope you will find the time to work on it... I know it's not easy to maintain such a project aside from a real job and a real life ;)


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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 15, 2017 6:36 am 
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Would be great if someone could do a nice technical comparison between Alcohol120% and DiscImageChef and list the pros and cons of both, how easy the formats are used on Win and OSX etc... it's a very interesting project indeed.

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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 15, 2017 2:10 pm 
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DIC is way more complete than Alcohol120%. It can work with any type of devices and have many more features which are not part of Alcohol120%.

The only feature that can be compared to one from Alcohol120% would be the `dump-media` one.


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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 15, 2017 2:18 pm 
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Does DiscImageChef support data position measurement (preferably at high precision)? It's needed for some games like the Italian second edition of Who Wants To Be A Millionaire for example.

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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 15, 2017 2:21 pm 
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Battler wrote:
Does DiscImageChef support data position measurement (preferably at high precision)? It's needed for some games like the Italian second edition of Who Wants To Be A Millionaire for example.


No, sorry, it's a feature I have not explored and I lack the media to test it :/

Edit: If you can express the algorithm to do it in C, or know an opensource implementation of the algorithm I can add it.


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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 15, 2017 2:42 pm 
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tristanleboss wrote:
DIC is way more complete than Alcohol120%. It can work with any type of devices and have many more features which are not part of Alcohol120%.

The only feature that can be compared to one from Alcohol120% would be the `dump-media` one.


In a nutshell, not an extensive comparison, just from memory:

What can Alcohol120% do and DiscImageChef don't:
  • Data Position Measurement
  • Dump multi-track CDs in a format mountable by emulators (I will solve this as soon as I can)

What can DiscImageChef do and Alcohol120% don't:
  • Dump Xbox Game Discs
  • Dump floppies (with USB drives only)
  • Dump SCSI tapes
  • Dump PCMCIA/CompactFlash saving card identification registers
  • Dump SCSI/ATA/SATA/USB/FireWire devices
  • Resume where you left the dump
  • Retry errors in another moment (after polishing?), or even another (less-picky?) drive
  • Read RAW DVD frames (in Matshita drives, requires disc swap for DVD-ROM, decoding is to be implemented)
  • Read LONG sectors from most SCSI devices and superfloppies (LS120/ZIP/JAZ/etc)
  • Works on Linux
  • Does not need GUI
  • Can be scriptable for unattended dump
  • Analyzes dumps in lots and lots of formats, identifies filesystems, checksums dump files and their contents, generates XML metadata
  • It's opensource, you can audit, enhance, or add any feature you want

So yeah there are some important things DiscImageChef doesn't, just tell me and I'll implement them as soon as I can.
Also being opensource, if you have the technical expertise to implement it yourself, you're absolutely welcome to do so.


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 PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 15, 2017 4:55 pm 
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claunia wrote:
In a nutshell, not an extensive comparison, just from memory:

What can Alcohol120% do and DiscImageChef don't:
  • Data Position Measurement
  • Dump multi-track CDs in a format mountable by emulators (I will solve this as soon as I can)

What can DiscImageChef do and Alcohol120% don't:
  • Dump Xbox Game Discs
  • Dump floppies (with USB drives only)

But not DMF floppies I guess....?

claunia wrote:
  • Dump SCSI tapes
  • Dump PCMCIA/CompactFlash saving card identification registers
  • Dump SCSI/ATA/SATA/USB/FireWire devices

  • Which A120 can do too. Or what do you mean with "devices"? What devices?
    claunia wrote:
  • Resume where you left the dump
  • Retry errors in another moment (after polishing?), or even another (less-picky?) drive
  • Read RAW DVD frames (in Matshita drives, requires disc swap for DVD-ROM, decoding is to be implemented)
  • Read LONG sectors from most SCSI devices and superfloppies (LS120/ZIP/JAZ/etc)
  • Works on Linux
  • Does not need GUI
  • Can be scriptable for unattended dump
  • Analyzes dumps in lots and lots of formats, identifies filesystems, checksums dump files and their contents, generates XML metadata
  • It's opensource, you can audit, enhance, or add any feature you want

  • So yeah there are some important things DiscImageChef doesn't, just tell me and I'll implement them as soon as I can.
    Also being opensource, if you have the technical expertise to implement it yourself, you're absolutely welcome to do so.


    Sounds like it can do a lot of stuff. What it should be able to do is also dump to some standard (and semi-standard) formats... ISO, BIN/CUE, DMG, MDF/MDX.... does it have a logging option to save a log with the dump? Any way to extract the dumped images? (For example, if I made an image of a ZIP floppy and want to access the files...).

    Keep up the good work! If it keeps up it may become a format we can accept if it has all the critical low level stuff in it... Any OSX client?

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     PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 15, 2017 5:25 pm 
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    mrpijey wrote:
    claunia wrote:
    In a nutshell, not an extensive comparison, just from memory:

    What can Alcohol120% do and DiscImageChef don't:
    • Data Position Measurement
    • Dump multi-track CDs in a format mountable by emulators (I will solve this as soon as I can)

    What can DiscImageChef do and Alcohol120% don't:
    • Dump Xbox Game Discs
    • Dump floppies (with USB drives only)

    But not DMF floppies I guess....?


    All USB floppies afaik support standard MF2DD and MF2HD disks in DOS format.
    MOST USB floppies support NEC 2HD disks.
    SOME USB floppies support DMF disks.

    Unfortunately that depends on the drive itself and there is nothing I can do software side.

    LS120/LS240 drives support MF2DD, MF2HD and NEC 2HD disks. I have not tested with DMF disks.

    mrpijey wrote:
    claunia wrote:
  • Dump SCSI tapes
  • Dump PCMCIA/CompactFlash saving card identification registers
  • Dump SCSI/ATA/SATA/USB/FireWire devices

  • Which A120 can do too. Or what do you mean with "devices"? What devices?


    Hard disks, SSDs, streaming tapes (QIC, LTO, DAT, DDS, AIT, etc), flash drives, PD650, ZIP100, ZIP250, ZIP750, SCSI or ATAPI floppies (MF2DD, MF2HD and MF2ED drives, floptical, LS120/LS240 floppies, HiFD), USB Mass Storage Devices (flash drives, ATAPI-USB/ATA-USB bridges), PCMCIA ATA cards, CompactFlash (to get card descriptors connect with a PCMCIA-CompactFlash adapter, USB readers block access to that information). In theory, anything that attaches to ATA, SATA, SCSI, FireWire or USB but DV tapes.

    mrpijey wrote:
    claunia wrote:
  • Resume where you left the dump
  • Retry errors in another moment (after polishing?), or even another (less-picky?) drive
  • Read RAW DVD frames (in Matshita drives, requires disc swap for DVD-ROM, decoding is to be implemented)
  • Read LONG sectors from most SCSI devices and superfloppies (LS120/ZIP/JAZ/etc)
  • Works on Linux
  • Does not need GUI
  • Can be scriptable for unattended dump
  • Analyzes dumps in lots and lots of formats, identifies filesystems, checksums dump files and their contents, generates XML metadata
  • It's opensource, you can audit, enhance, or add any feature you want

  • So yeah there are some important things DiscImageChef doesn't, just tell me and I'll implement them as soon as I can.
    Also being opensource, if you have the technical expertise to implement it yourself, you're absolutely welcome to do so.


    Sounds like it can do a lot of stuff. What it should be able to do is also dump to some standard (and semi-standard) formats... ISO, BIN/CUE, DMG, MDF/MDX.... does it have a logging option to save a log with the dump? Any way to extract the dumped images? (For example, if I made an image of a ZIP floppy and want to access the files...).


    For CDs it dumps 2448 bytes/sector, all sequential in a file. I need to add CUE creation to know where a track starts.
    For anything else, it dumps sectors as is, what you call ISO/IMG basically.

    If you use --raw it depends on hardware, e.g.:
    DVDs on Matshita drives: It outputs raw 37856 blocks sequentially.
    Floppies on LS drives: It outputs 512 data bytes + 4 CRC bytes sequentially.
    ZIP drives: It outputs 512 data bytes + xx ECC bytes sequentially.

    Non-user-data will be written in separate files

    But in a nutshell, from a DVD drive:
    DiscImageChef dump-media -i /dev/sr0 -w mydisk
    Will create mydisk.iso, mydisk.pfi.bin (for the DVD PFI), mydisk.dmi.bin (for the DVD DMI).

    mrpijey wrote:
    Keep up the good work! If it keeps up it may become a format we can accept if it has all the critical low level stuff in it...

    For non-copy protected media, I think it already does :p

    mrpijey wrote:
    Any OSX client?

    The problem with macOS itself is that it only allows you to send custom command to optical disc recorders. So it's absolutely useless for any other thing.
    And even then, it blocks some commands, and it's a pain in the ass to develop.
    If you want to dump media on a Mac, as you'll be using a USB adaptor or the internal recorder, it's best you launch up a virtualbox instance with Linux (I have DIC available in a bootable flash drive that can be used to boot VBox or directly on hardware) and pass-thru the device :/

    All the other functions that don't access directly to a device (that's, all but dump-media, device-info and media-info) work the same on macOS, Windows, Linux and FreeBSD.


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     PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 15, 2017 5:57 pm 
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    Well I guess it always boils down to OSX's limited usability which means I have to stop counting on finding a format that works with OSX, and everyone has to rely on Linux and Windows systems to handle the images...

    I think you should have some kind of image descriptor for your stuff, something that clearly explains how the image is dumped, sector size, tracks etc etc. The more info your tool can save about the disc and its format the better for preservation purposes, but also for the sake of being able to reproduce the disc. DPM support is a must of course, dumping floppies with a real floppy drive should also be supported, logging proper multilayer breaks in dual layer DVDs and multilayer BDROMs etc should also be recorded somehow. How is it with other discs such as certain console discs? You mentioned it does Xbox, what about newer Xbox stuff? Sega Dreamcast? Nintendo Gamecube and Wii? Etc etc...

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     PostPost subject: Re: [RFC] DiscImageChef        Posted: Tue Aug 15, 2017 6:26 pm 
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    mrpijey wrote:
    Well I guess it always boils down to OSX's limited usability which means I have to stop counting on finding a format that works with OSX, and everyone has to rely on Linux and Windows systems to handle the images...

    I think you should have some kind of image descriptor for your stuff, something that clearly explains how the image is dumped, sector size, tracks etc etc. The more info your tool can save about the disc and its format the better for preservation purposes, but also for the sake of being able to reproduce the disc. DPM support is a must of course, dumping floppies with a real floppy drive should also be supported, logging proper multilayer breaks in dual layer DVDs and multilayer BDROMs etc should also be recorded somehow. How is it with other discs such as certain console discs? You mentioned it does Xbox, what about newer Xbox stuff? Sega Dreamcast? Nintendo Gamecube and Wii? Etc etc...


    DPM I must learn how to do it. Xbox 360, Dreamcast, Gamecube and Wii are W.I.P.. PS3, XboxOne and WiiU I don't have the drives. All the information you say that should be stored, is, in the metadata. It's just I don't consider the metadata to be a "format".

    This is the dump from the Lemote Fuulong system disk containing Debian/mips:
    Code:
    claunia@zeus /mnt/Dumps $ /bin/ls -l lemote.*
    -rw-r--r-- 1 claunia users       7740 feb 13  2016 lemote.cicm.xml
    -rw-r--r-- 1 claunia users          4 feb 13  2016 lemote.cmi.bin
    -rw-r--r-- 1 claunia users       2048 feb 13  2016 lemote.dmi.bin
    -rw-r--r-- 1 claunia users     126626 feb 13  2016 lemote.ibg
    -rw-r--r-- 1 claunia users 4068376576 feb 13  2016 lemote.iso
    -rw-r--r-- 1 claunia users     496803 feb 13  2016 lemote.mhddlog.bin
    -rw-r--r-- 1 claunia users       2048 feb 13  2016 lemote.pfi.bin


    Contents of lemote.cicm.xml: https://pastebin.com/rRUif9yu

    Command line used:
    Code:
    mono DiscImageChef.exe dump-media -i /dev/sr0 -w lemote


    lemote.dmi.bin contains the DVD DMI.
    lemote.cmi.bin contains the DVD Lead-In CMI.
    lemote.pfi.bin contains the DVD PFI.
    lemote.mhddlog.bin contains a read log in MHDD format (viewers available online).
    lemote.ibg contains a read/speed log in Imgburn format (viewer included with imgburn).
    lemote.iso is, well, an ISO :p


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     PostPost subject: Re: [RFC] DiscImageChef        Posted: Wed Aug 16, 2017 4:56 am 
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    The thing is: how to put all these data back to a disk? Preserving these data is important but being able to recreate the media is what make a tool usable for archivism (like the Kryoflux which can rewrite its raw files).

    With Alcohol12%, it's easy: you have 2 file and the software can reread them.


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     PostPost subject: Re: [RFC] DiscImageChef        Posted: Wed Aug 16, 2017 1:19 pm 
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    tristanleboss wrote:
    The thing is: how to put all these data back to a disk? Preserving these data is important but being able to recreate the media is what make a tool usable for archivism (like the Kryoflux which can rewrite its raw files).

    With Alcohol12%, it's easy: you have 2 file and the software can reread them.


    Dumping in formats that burning software will understand is something I will add in the next-to-next version (5.0).
    Converting formats (e.g. CopyQM to Teledisk, Nero to Alcohol) is something I will add in that same version.
    Making DiscImageChef write media is something I don't pretend to add, but I will accept any patch doing it.


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