CA2575418A1 - Information recording medium, recording/ reproducing apparatus, and recording/ reproducing method - Google Patents

Information recording medium, recording/ reproducing apparatus, and recording/ reproducing method Download PDF

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Publication number
CA2575418A1
CA2575418A1 CA002575418A CA2575418A CA2575418A1 CA 2575418 A1 CA2575418 A1 CA 2575418A1 CA 002575418 A CA002575418 A CA 002575418A CA 2575418 A CA2575418 A CA 2575418A CA 2575418 A1 CA2575418 A1 CA 2575418A1
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Canada
Prior art keywords
recording
recording block
original
data
replacement
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Granted
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CA002575418A
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French (fr)
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CA2575418C (en
Inventor
Sung-Hee Hwang
Jung-Wan Ko
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Samsung Electronics Co Ltd
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Individual
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Priority to CA2791254A priority Critical patent/CA2791254C/en
Publication of CA2575418A1 publication Critical patent/CA2575418A1/en
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Active legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/0614—Improving the reliability of storage systems
    • G06F3/0619—Improving the reliability of storage systems in relation to data integrity, e.g. data losses, bit errors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0638—Organizing or formatting or addressing of data
    • G06F3/064—Management of blocks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
    • G06F3/0671—In-line storage system
    • G06F3/0673—Single storage device
    • G06F3/0674—Disk device
    • G06F3/0677—Optical disk device, e.g. CD-ROM, DVD
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B2020/10898—Overwriting or replacing recorded data
    • G11B2020/10907—Overwriting or replacing recorded data using pseudo-overwriting, i.e. virtually or logically overwriting data on WORM media by remapping recorded blocks to alternate areas
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B2020/1873—Temporary defect structures for write-once discs, e.g. TDDS, TDMA or TDFL
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • G11B2020/1893—Methods for assignment of alternate areas for defective areas using linear replacement to relocate data from a defective block to a non-contiguous spare area, e.g. with a secondary defect list [SDL]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/218—Write-once discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs

Abstract

An information recording medium, and a recording/reproducing apparatus and a recording/reproducing method for the recording medium. Original data is sequentially updated by replacing an original recording block with one or more replacement recording blocks. A replacement recording block includes at least one of an original address field indicating a location of the original recording block or a previous address field indicating a location of an immediately previous recording block. Replacement information is effectively recovered in a system where a replacement for logical overwriting (LOW) occurs in either a spare area and a user data area by reference to the address fields in each replacement recording block.

Claims (53)

  1. [1] 1. An information recording medium comprising:
    a user data area for recording user data; and a spare area for replacing a defect detected in the user data area, wherein:
    a replacement recording block that replaces an original recording block recorded in the user data area is recorded in the spare area or an unrecorded area of the user data area; and the replacement recording block includes at least one of a first address indicating a location of the original recording block or a second address indicating a location of another replacement block which previously replaced the original recording block.
  2. 2. The information recording medium of claim 1, wherein:
    the replacement recording block includes a data part that contains original data or replacement data and an additional information part that contains additional in-formation about the original data or the replacement data; and the additional information part comprises at least one of the first address or the second address.
  3. 3. An information recording medium comprising:
    a user data area for recording user data; and a spare area for replacing a defect detected in the user data area, wherein:
    a replacement recording block that replaces an original recording block recorded in the user data area is recorded in the spare area or an unrecorded area of the user data area; and each of the original recording block and the replacement recording block includes identification information used to determine whether each recording block is an original recording block or a replacement recording block.
  4. 4. The information recording medium of claim 3, wherein:
    each recording block includes a data part that contains original data or re-placement data and an additional information part that contains additional in-formation about the original data or the replacement data; and the additional information part contains the identification information.
  5. 5. The information recording medium of claim 4, wherein:
    the additional information part comprises at least one of an original address field that indicates a location of the original recording block or a previous address field that indicates a location of an immediately previous recording block;
    and the identification information is a specific identifier recorded in at least one of the original address field or the previous address field.
  6. 6. An information recording medium comprising:
    a user data area for recording user data; and a spare area for replacing a defect detected in the user data area, wherein:
    a replacement recording block that replaces an original recording block recorded in the user data area is recorded in the spare area or an unrecorded area of the user data area; and a value of a physical address of the replacement recording block is always larger than or always smaller than a value of a physical address of a recording block previous to the replacement recording block and a value of a physical address of the original recording block.
  7. 7. A recording/reproducing apparatus comprising:
    a write/read unit writing data to and/or reading data from an information recording medium; and a controller controlling the write/read unit to write a recording block on the information recording medium, wherein:
    the written recording block comprises at least one of original address information indicating a location of an original recording block or previous address in-formation indicating a location of a replacement for the original recording block.
  8. 8. The recording/reproducing apparatus of claim 7, wherein:
    the written recording block is recorded in a spare area or an unrecorded area of a user data area.
  9. 9. The recording/reproducing apparatus of claim 7, wherein the written recording block comprises the original address information and the previous address in-formation.
  10. 10. The recording/reproducing apparatus of claim 9, wherein:
    where the written recording block comprises original data, the original address information and the previous address information have a same value.
  11. 11. The recording/reproducing apparatus of claim 9, wherein:
    where the written recording block comprises first replacement data for original data, both the original address information and the previous address information comprise a value indicating a location of the original data.
  12. 12. The recording/reproducing apparatus of claim 11, wherein:
    where the written block comprises an nth replacement data for the original data, the original address information comprises the value indicating the location of the original data and the previous address information comprises a value indicating a location of (n-1)th replacement data.
  13. 13. The recording/reproducing apparatus of claim 7, wherein:
    the written recording block comprises the original address information; and the written recording block is recorded at a location determined according to a predetermined sequence of locations of recording blocks.
  14. 14. The recording/reproducing apparatus of claim 13, wherein the predetermined sequence follows a rule where a value corresponding to the location of the written recording block is greater than a value corresponding to the location of the original recording block.
  15. 15. The recording/reproducing apparatus of claim 14, wherein the predetermined sequence follows a rule where a value corresponding to a location of a sub-sequently written replacement recording block is greater than the value cor-responding to the location of the recording block which replaces the original recording block.
  16. 16. The recording/reproducing apparatus of claim 13, wherein the predetermined sequence follows a rule where a value corresponding to the location of the written recording block is less than a value corresponding to the location of the original recording block.
  17. 17. The recording/reproducing apparatus of claim 16, wherein the predetermined sequence follows a rule where a value corresponding to a location of a sub-sequently written replacement recording block is less than the value cor-responding to the location of the recording block which replaces the original recording block.
  18. 18. The recording/reproducing apparatus of claim 7, wherein:
    the written recording block includes a data part that contains original data or re-placement data and an additional information part that contains additional in-formation about the original data or the replacement data; and the additional information part contains at least one of the original address in-formation or the previous address information.
  19. 19. A recording/reproducing apparatus comprising:
    a write/read unit writing data to and/or reading data from an information recording medium comprising a user data area for recording user data and a spare area; and a controller controlling the write/read unit to write a recording block on the in-formation recording medium, wherein the recording block comprises iden-tification information useable to determine whether the recording block is an original recording block or a replacement recording block.
  20. 20. The recording/reproducing apparatus of claim 19, wherein:

    the recording block includes a data part that contains original data or replacement data and an additional information part that contains additional information about the original data or the replacement data; and the additional information part contains the identification information.
  21. 21. The recording/reproducing apparatus of claim 20, wherein:
    the additional information part comprises:
    at least one of an original address field that indicates a location of the original recording block or a previous address field that indicates a location of a recording block replaced by the replacement recording block; and the identification information is a specific identifier recorded in at least one of the original address field or the previous address field.
  22. 22. A recording/reproducing apparatus comprising:
    a write/read unit writing data to and/or reading data from an information recording medium; and a controller controlling the write/read unit to write a replacement recording block on the information recording medium so that a value of a physical address of the replacement recording block is always larger than or always smaller than a value of a physical address of a recording block previous to the replacement recording block and a value of a physical address of the original recording block.
  23. 23. A recording/reproducing apparatus comprising:
    a write/read unit writing data to and reading data from an information recording medium; and a controller recovering replacement information about the original recording block and the replacement recording block by referring to an original address field of the replacement recording block that indicates a location of an original recording block and a previous address field of the replacement recording block that indicates a location of an immediately previous recording block, which is replaced by the replacement recording block.
  24. 24. A method of recording/reproducing data on an information recording medium, the method comprising:
    writing a recording block on the information recording medium, wherein the recording block comprises at least one of an original address field indicating a location of an original recording block replaced by the written recording block or a previous address field indicating a location of a previously written recording block which replaces the original recording block.
  25. 25. The method of claim 24, further comprising:
    writing the recording block in a spare area or an unrecorded area of a user data area.
  26. 26. The method of claim 24, wherein:
    where the written recording block comprises original data, the method further comprises:
    writing a same value in each of the original address field and the previous address field.
  27. 27. The method of claim 24, wherein:
    where the written recording block comprises first replacement data for original data, the method further comprises:
    writing a value indicating the location of the original data in both the original address field and the previous address field.
  28. 28. The method of claim 24, wherein:
    where the written block comprises nth replacement data for original data, the method further comprises:
    writing a value indicating the location of the original data in the original address field, and writing a value indicating a location of (n-1)th replacement data in the previous address field.
  29. 29. The method of claim 24, further comprising:
    writing the recording block at a location determined according to a pre-determined sequence of locations of recording blocks.
  30. 30. The method of claim 29, further comprising:
    writing the recording block at a location wherein the predetermined sequence follows a rule wherein a value corresponding to the location of the written recording block is greater than a value corresponding to the location of the original recording block.
  31. 31. The method of claim 30, further comprising:
    writing the recording block at a location wherein the predetermined sequence follows a rule wherein a value corresponding to the location of the written recording block is greater than a value corresponding to the location of the previously written recording block.
  32. 32. The method of claim 29, further comprising:
    writing the recording block at a location wherein the predetermined sequence follows a rule wherein a value corresponding to the location of the written recording block is smaller than a value corresponding to the location of the original recording block.
  33. 33. The method of claim 32, further comprising:
    writing the recording block at a location wherein the predetermined sequence follows a rule wherein a value corresponding to the location of the written recording block is smaller than a value corresponding to the location of the previously written recording block.
  34. 34. The method of claim 24, wherein:
    the recording block includes a data part that contains original data or replacement data and an additional information part that contains additional information about the original data or the replacement data; and the additional information part contains at least one of the original address or the previous address.
  35. 35. A recording/reproducing method comprising:
    writing a recording block on the information recording medium, wherein the recording block comprises identification information useable to determine whether the recording block is an original recording block or a replacement recording block.
  36. 36. The method of claim 35, wherein:
    the written recording block comprises a data part that contains original data or re-placement data and an additional information part that contains additional in-formation about the original data or the replacement data; and the additional information part contains the identification information.
  37. 37. The method of claim 17, wherein:
    the additional information part comprises at least one of an original address field indicating a location of the original recording block or a previous address field indicating a location of an immediately previous recording block; and the identification information is a specific identifier recorded in at least one of the original address field or the previous address field.
  38. 38. A recording/reproducing method comprising:
    writing a replacement recording block on the information recording medium, wherein:
    a value of a physical address of the replacement recording block is always larger than or always smaller than a value of a physical address of a recording block previous to the replacement recording block and a value a physical address of the original recording block.
  39. 39. A recording/reproducing method comprising:
    writing a replacement recording block that replaces an original recording block recorded in a user data area in a spare area or an unrecorded area of the user data area, the replacement block comprising an original address field indicating a location of the original recording block and a previous address field indicating a location of a previous replacement block; and recovering replacement information about the original recording block and the replacement recording block by referring to the original address field and the previous address field of the replacement recording block.
  40. 40. A method of reproducing current user data from a write once recording medium having an original recording block and n subsequent recording blocks, wherein the original recording block and each subsequent recording block includes first and second address fields, the first and second address fields of the original recording block having a same value, the first address field of each of the n subsequent recording blocks including a second value indicating a location of the original data and the second address field of each of the n subsequent recording blocks having a respective second value indicating a location of the (n-1)th subsequent recording block, the method comprising:
    reading the first and second address fields for each of the original recording block and the n subsequent recording blocks;
    determining from the read first and second address fields whether the current data is included in the original recording block or in the nth subsequent recording based on the read first and second address field values.
  41. 41. The method of claim 40, further comprising:
    determining the original recording block to include the current data where no subsequent blocks are read having the second value in the first address field.
  42. 42. The method of claim 40, further comprising;
    comparing the respective first fields of the n subsequent recording blocks having a first field including the location of the original recording block with a pre-determined sequence of assigning locations of subsequent recording blocks; and determining the nth subsequent recording block to include the current data based on the comparison.
  43. 43. The method of claim 40, further comprising:
    determining one of the n subsequent recording blocks to be another original recording block where none of the first fields have the second value and the first and second fields of the one of the n subsequent recording blocks have a same value.
  44. 44. A method of reproducing current user data from a write once recording medium having an original recording block and a plurality of subsequent recording blocks, wherein the original recording block and each subsequent recording block includes an address field having a same value, and wherein a value of a location of the original recording block and each subsequent re-placement recording block is assigned according to a predetermined sequence of locations of recording blocks, the method comprising:
    reading the address field for each of the original recording block and the plurality of subsequent recording blocks;
    determining whether the current user data is included in the original recording block or in the subsequent recording block based on the read address field and the predetermined sequence of locations, wherein:
    the original recording block or the subsequent recording block having a later sequence in the predetermined sequence of locations and the same value in the address field is determined to include the current user data.
  45. 45. The method of claim 44, wherein the predetermined sequence follows a rule where a value corresponding to the location of each subsequent recording block is greater than a value corresponding to the location of a previous subsequent recording block and greater than a value corresponding to the location of the original recording block.
  46. 46. The method of claim 44, wherein the predetermined sequence follows a rule where a value corresponding to the location of each subsequent recording block is less than a value corresponding to the location of a previous subsequent recording block and less than a value corresponding to the location of the original recording block.
  47. 47. A method of recording on a write once recording medium, the method comprising:
    providing first data and a logical address for recording the first data;
    checking a first physical address on the write once recording medium cor-responding to the logical address to determine whether the first physical address has been previously recorded; and if the first physical address has not been previously recorded, recording the provided first data at the first physical address; or if second data is found at the first physical address, checking a replacement entry on the write once recording medium, determining from the replacement entry whether the first data is replacement data for the second data or additional data, recording the first data at a second physical address, and updating the replacement entry, if the first data is the replacement data, or creating a new replacement entry, if the first data is the additional data.
  48. 48. The method of claim 47, wherein, if the first data is the replacement data, the recording of the first data at the second physical address comprises:
    generating a recording block comprising the first data and first and second fields, the first field having a value corresponding to the provided logical address and the second field having a value corresponding to the first physical address;
    and recording the recording block at the second physical address.
  49. 49. The method of claim 48, wherein the updating of the replacement entry comprises:
    recording a second replacement entry associating the logical address with the second physical address.
  50. 50. The method of claim 47, wherein, if the first data is the additional data, the recording of the first data at the second physical address comprises:
    generating a recording block comprising the first data and first and second address fields having a same value; and recording the recording block at the second physical address.
  51. 51. The method of claim 50, wherein the creating of the new replacement entry comprises:
    recording the new replacement entry, the new replacement entry associating the logical address with the second physical address.
  52. 52. The method of claim 50, wherein the same value is an arbitrary value.
  53. 53. The method of claim 50, wherein the same value is a value corresponding to the provided logical address.
CA2575418A 2004-07-30 2005-07-18 Information recording medium, recording/ reproducing apparatus, and recording/ reproducing method Active CA2575418C (en)

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KR1020040060282A KR100667758B1 (en) 2004-07-30 2004-07-30 Information recording medium, recording/reproducing apparatus and recording/reproducing method
PCT/KR2005/002293 WO2006011721A1 (en) 2004-07-30 2005-07-18 Information recording medium, recording/ reproducing apparatus, and recording/ reproducing method

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CA2575418C CA2575418C (en) 2012-12-11

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EP (1) EP1771856A4 (en)
JP (4) JP2008508656A (en)
KR (1) KR100667758B1 (en)
CN (3) CN101071611B (en)
BR (1) BRPI0513898B1 (en)
CA (2) CA2791254C (en)
MY (1) MY144374A (en)
RU (2) RU2376663C2 (en)
SG (1) SG139751A1 (en)
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WO (1) WO2006011721A1 (en)

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