+2015-12-13 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server] Enhance capability of Floodgate configuration file
+ - New parameter: Max_Moves, defined in the CSA protocol
+ ex. set Max_Moves 256
+ - New parameter: Least_Time_Per_Move, defined in the CSA protocol
+ ex. set Least_Time_Per_Move 0
+ - Proposed messages distributed to each player upon starting a new
+ game will include Max_Moves as well as Least_Time_Per_Move.
+ - CSA files produced by the server will include settings of
+ Max_Moves and Least_Time_Per_Move in comment lines as follows:
+ 'Max_Moves:256
+ 'Least_Time_Per_Move:0
+ - The official Shogi-server on wdoor.c.u-tokyo.ac.jp will
+ be running with different parameters, depending on game names.
+ a) Max_Moves will be 256 for floodgate-600-10 games;
+ otherwise, 0.
+ b) Least_Time_Per_Move will be 0 for floodgate-600-10 games;
+ otherwise 1.
+ (Closes: #35839)
+ * [shogi-server] shogi_server/pairing.rb:
+ - LeastDiff attempts more trials, depending of a number of players
+ to be matched, top achieve more optimized matching combinations.
+
+2015-11-27 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server] shogi_server/time_clock.rb:
+ - A time consumed could be -1.
+ * The start time of a move is captured after sending a move to a
+ player of the next turn at the end of the giant lock
+ * The end time of the move is captured at the exact time when the
+ server receives it before the giant lock
+ Therefore, end_time < start_time is possible when a player returns a
+ move instantly.
+ Thanks to Tomoyuki Kaneko for reporting this issue.
+ (Closes: #35795)
+
+2015-02-14 Daigo Moriwaki <daigo at debian dot org>
+
+ * util/statistics.rb:
+ - Updated to investigate floodgate-600-10 games.
+ Consult the result at
+ http://www.sgtpepper.net/hyspro/diary/20150214.html.
+ - Added a companion R script: histogram.R
+
+2015-02-01 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/login.rb: When players are logged in, log their
+ player_id if they have it.
+
+2015-01-20 Daigo Moriwaki <daigo at debian dot org>
+
+ * [mk_rate]
+ - Getting an absolute path of this file was wrong if it was a
+ symbolic link. This issue has been addressed.
+ * [mk_html]
+ - Links to details pages for players now use a relative path so
+ that it works on a testing site.
+
+2015-01-17 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi-server, shogi_server/{command,game_result,player}.rb:
+ The change at 2014-10-13 was not worked as expected. Reworked.
+ A player, attempting to login with the current live player
+ stalling for more than a day, can forcibly override the current
+ player.
+
+2015-01-12 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server.rb: Follow an API change in a upstream class:
+ LogDevice.previous_period_end
+
+2014-12-27 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - When a non-rated player participates in Floodgate, the following exception
+ was thrown and a Floodgate game would not start:
+ undefined method `[]' for nil:NilClass
+ ["/home/shogi-server/www/x/shogi_server/pairing.rb:499:in `block
+ in calculate_diff_with_penalty'"
+ This issue has been resolved. Only players who have player ID
+ (i.e. those who log in with valid password) are now allowed to
+ participate in Floodgate as the spec web page
+ [http://shogi-server.sourceforge.jp/rating.html] describes.
+
+2014-12-23 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - Addressed Ruby incompatibility on ShogiServer::Usi::alphabetToDan.
+ It (and usiToCsa.rb) did not work with Ruby 1.9.3. This issue
+ has now been fixed.
+ Thanks to Hiraoka-san for debugging.
+
+2014-12-18 Daigo Moriwaki <daigo at debian dot org>
+
+ * utils/eval_graph.rb:
+ - Gnuplot 4.6.6 drew evaluation-value lines with a dashed style.
+ This issue has now been addressed so that solid lines are used.
+
+2014-11-30 Daigo Moriwaki <daigo at debian dot org>
+
+ * [mk_html]
+ - Corrected a url.
+
+2014-11-24 Daigo Moriwaki <daigo at debian dot org>
+
+ * Ruby 2.0:
+ - Ruby 2.0.0 or later is recommended to use with shogi-server
+ since Ruby 1.8 reached its End-of-Life on the end of July, 2014.
+ * [shogi-server]
+ - Addressed a warning of duplicated range in a regular expression.
+
+2014-10-13 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - A player, attempting to login with the current live player
+ stalling for more than a day, can forcibly override the current
+ player.
+ - Kifu record files now includes rating scores of players at the
+ time when games start. Previously, for rating games, a record
+ file includes player IDs of both players with a line starting with
+ "'rating". Now it also shows rating scores for players who have
+ valid scores. The formats for black and white players are as
+ follows:
+ 'black_rate:<player_id>:<score>
+ 'white_rate:<player_id>:<score>
+ A sample output:
+ 'rating:Test_sente+275876e34cf609db118f3d84b799a790:Test_gote+275876e34cf609db118f3d84b799a790
+ 'black_rate:Test_sente+275876e34cf609db118f3d84b799a790:2763.0
+ 'white_rate:Test_gote+275876e34cf609db118f3d84b799a790:2345.0
+
+2014-10-12 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi_server]
+ - New feature: max moves
+ - New command line option: --max-moves n
+ When a game with the n-th move played does not end, make the
+ game a draw (default 256 in compliance with CSA Protocol V1.2
+ or later). Setting 0 disables this feature for
+ CSA Protocol V1.1.2 or before.
+ - Players will receive a new message, "#MAX_MOVES", upon an end
+ of such a game:
+ #MAX_MOVES
+ #CENSORED
+ - A new log summary type, "max_moves", has been assigned for games
+ drawing with max moves.
+ 'summary:max_moves:name_sente draw:name_gote draw
+ - Least time per move:
+ - New command line option: --least-time-per-move n
+ This option specifies a least time in second per move, which
+ is 0 second by default, meaning that a decimal
+ fraction of time for a move will be truncated in compliance
+ with CSA Protocol V1.2 or later.
+ Set 1 for CSA Protocol V1.1.2 or before.
+
+2014-07-19 Daigo Moriwaki <daigo at debian dot org>
+
+ * [mk_rate]
+ - Added a new option, --abnormal-threshold n:
+ Games that end with the 'abnormal' status are counted in
+ win/lost games for the rating calculation if a game plays more
+ than n plies. Otherwise (or if n is zero), abnormal games are
+ counted out of rating games.
+
+2014-01-07 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - Released: Revision "20140107"
+
+2013-12-29 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - Previously, parameters in Floodgate time configuration file were
+ not applied to actual instances. This issue has been fixed.
+
+2013-12-21 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/pairing.rb: Impose penalty on matches between
+ likely kin players.
+
+2013-12-15 Daigo Moriwaki <daigo at debian dot org>
+
+ * [webserver]
+ - Listen on only IPv4 explicitly. Under ruby 1.9.3p194, without
+ any bind addresses, ruby attempts to listen on both "0.0.0.0"
+ and "::". Specifying "::" on Linux leads to listen on both IPv4
+ and IPv6, which results in a warning message saying "Address
+ already in use - bind(2)".
+ * [shogi-server]
+ - Released: Revision "20131215"
+
+2013-12-14 Daigo Moriwaki <daigo at debian dot org>
+
+ * [usiToCsa]
+ - Added a new program, bin/usiToCsa.rb, which is a bridge for a
+ USI engine to connect to the Shogi-server.
+ - bin/usiToCsa is a sample wrapper script.
+
+2013-12-13 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/league/floodgate_thread.rb:
+ - Added a log message.
+
+2013-12-08 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi-server/shogi_server/pairing.rb:
+ - Modified comment for LeastDiff match.
+ - Changed log messages and levels.
+
+2013-12-07 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/pairing.rb, player.rb:
+ Simplify estimated rate of unrated players (less memory).
+ - Enhanced syntax of Floodgate time configuration file.
+ Now it supports "set sacrifice <player_id>"; it sets a
+ sacrificed player for a specific Floodgate game.
+ ex. set sacrifice gps500+e293220e3f8a3e59f79f6b0efffaa931
+
+2013-12-05 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - Added a new pairing method, ShogiServer::ExcludeUnratedPlayers,
+ which filters out unrated players.
+ - Enhanced syntax of Floodgate time configuration file.
+ Now it supports "set pairing_factory <function_name>"; it sets a
+ factory function name generating a pairing method which will be
+ used in a specific Floodgate game.
+ ex. set pairing_factory floodgate_zyunisen
+ - Implemented conversion of move representation between CSA format
+ and USI one.
+
+2013-11-24 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/league/floodgate.rb: Improved robustness against
+ empty file under ruby 1.9.3p194
+ - shogi-server:
+ - Previously, reloading in daemon mode failed on
+ ruby 1.9.3p194. This issue has been fixed.
+ - Listen on only IPv4 explicitly. Under ruby 1.9.3p194, without
+ any bind addresses, ruby attempts to listen on both "0.0.0.0"
+ and "::". Specifying "::" on Linux leads to listen on both IPv4
+ and IPv6, which results in a warning message saying "Address
+ already in use - bind(2)".
+ * [mk_game_results]
+ - Fixed for reading Japanese comments under ruby1.9.3p194.
+ * mk_rate-from-grep, mk_rate-grep:
+ - Removed files that are no longer used.
+
+2013-11-23 Daigo Moriwaki <daigo at debian dot org>
+
+ * [mk_rate]
+ - gsl library may be provided as a gem
+ - Now duplicated inputs are checked and skipped.
+ * test/TC_floodgate.rb
+ - Improved randomness check so that it works on Ruby 2.0.0 as well
+
+2013-11-04 Daigo Moriwaki <daigo at debian dot org>
+
+ * [mk_rate]
+ - Added a new option, --ignore, which is imported from
+ mk_rate-from-grep.
+ * [mk_game_results]
+ - Flush after each output line.
+ * Rleased: Revision "20131104"
+
+2013-09-08 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/{game,time_clock}.rb:
+ When StopWatchClock is used, "Time_Unit:" of starting messages
+ in CSA protocol supplies "1min".
+
+2013-04-07 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/{game,time_clock}.rb:
+ Adds variations of thinking time calculation: ChessClock
+ (current) and StopWatchClock (new).
+ StopWatchClock, which is usually used at official games of human
+ professional players, is a clock where thiking time less than a
+ miniute is regarded as zero.
+ To select StopWatchClock, use a special game name with "060"
+ byoyomi time. ex. "gamename_1500_060".
+
+2013-03-31 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - %%FORK command: %%FORK <source_game> [<new_buoy_game>] [<nth-move>]
+ The new_buoy_game parameter is now optional. If it is not
+ supplied, Shogi-server generates a new buoy game name from
+ source_game.
+ - command.rb: More elaborate error messages for the %%GAME command.
+
+2013-03-20 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - New pairing algorithm: ShogiServer::Pairing::LeastDiff
+ This pairing algorithm aims to minimize the total differences of
+ matching players' rates. It also includes penalyties when a match
+ is same as the previous one or a match is between human players.
+ It is based on a discussion with Yamashita-san on
+ http://www.sgtpepper.net/kaneko/diary/20120511.html.
+
+2013-02-23 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - New command: %%FORK <source_game> <new_buoy_game> [<nth-move>]
+ Fork a new game from the posistion where the n-th (starting from
+ one) move of a source game is played. The new game should be a
+ valid buoy game name. The default value of n is the position
+ where the previous position of the last one.
+ - The objective of this command: The shogi-server may be used as
+ the back end server of computer-human match where a human player
+ plays with a real board and someone, or a proxy, inputs moves to
+ the shogi-server. If the proxy happens to enter a wrong move,
+ with this command you can restart a new buoy game from the
+ previous stable position.
+ ex. %%FORK server-denou-14400-60+p1+p2+20130223185013 buoy_denou-14400-60
+
+2012-12-30 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - Backported a5c94012656902e73e00f46e7a4c7004b24d4578:
+ test/TC_logger.rb depeneded on a specific directory where it was
+ running on. This issues has been fixed.
+ - Backported 87d145bd1f1a14a33f5f6fbc78b63a1952f1ca90 and
+ 2df8c798aeb7f0e77735e893fd1370c2c6f15c4d:
+ shogi_server/floodgate.rb: Generating next time around the new
+ year day by reading configuration files did not work correctly.
+ This issue has been fixed.
+
+2012-12-28 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/pairing.rb:
+ + There was a bug in the logic avoiding human-human match.
+ This issue has been fixed.
+ + Improved the logic avoiding human-human match. Human-human
+ matches will less likely happen.
+
+2012-01-07 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - Added shogi_server/compatible.rb, which implements compatible
+ methods and allows Ruby 1.8.7 to run the server.
+ - test/TC_floodgate.rb failed with Ruby 1.8.7. This issue has
+ been fixed.
+ - test/TC_uchifuzume.rb did not run with Ruby 1.8.7. This issue
+ has been fixed.
+ - test/TC_league.rb failed with Ruby 1.8.7. This issue has been
+ fixed.
+ * csa-file-filter,mk_game_results,mk_html,mk_rate:
+ - Updated documents in the command files.
+ Both Ruby 1.9.3 and 1.8.7 are supported.
+ - Make their shebang consistent (/usr/bin/ruby1.9.1)
+ * README:
+ - Both Ruby 1.9.3 and 1.8.7 are supported.
+ * Renewed year of copyright notice in each file.
+
+2012-01-06 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - test/TC_logger.rb depeneded on a specific directory where it was
+ running on. This issues has been fixed.
+
+2012-01-01 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/floodgate.rb: Generating next time around the new
+ year day by reading configuration files did not work correctly.
+ This issue has been fixed.
+
+2011-12-18 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/board.rb, piece.rb: Refactoring to cache OU pieces,
+ which was inspired by 81SquareShogi-server's change
+ (74b24b88c843f1dd767412475b117481d1d5e8eb).
+ - Added shogi-server-profile to take profile of shogi-server.
+ * [mk_rate] [mk_game_results]
+ - Supports Ruby 1.9.3.
+
+2011-12-12 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - Support Ruby 1.9.3.
+ - Result of test/benchmark.rb
+ - Environment:
+ - CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4200+
+ - RAM: 4GB
+ - OS: Debian Squeeze
+ - ruby 1.8.7 (2011-06-30 patchlevel 352) [x86_64-linux]
+ - ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-linux]
+ - Server: ruby1.8 (or ruby1.9.1) ./shogi-server hoge 4000
+ - Clients: ruby1.8 (or ruby1.9.1) -d ./benchmark.rb
+ csa/wdoor+floodgate-900-0+gps_normal+gps_l+20100507120007.csa 20
+ - Scores in seconds: (the smaller, the better)
+ clients
+ 1.8.7 1.9.3
+ server 1.8.7 20 sec 21 sec
+ 1.9.3 26 sec 27 sec
+
+2010-10-06 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - mk_rate: the usage was not updated.
+ Thanks to Hoki-san to report this issue. (Closes: #23358)
+
+2010-09-18 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/board.rb, game.rb: For hadicapped games, wrong
+ initial positions were delivered to players and monitors. This
+ issue has been fixed. (Closes: #23245)
+ Thanks to HIDETCHI for reporting the issue.
+
+2010-09-05 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/login.rb: Enhanced the CSA Login mode.
+ Logging in the server with the CSA mode, users are now allowed to
+ specify a turn preference in an enhanced gamename string which
+ looks like <gamename>-<time>-<time>-<turn>. The first three
+ parts are a regular game definition. The last "-<turn>"
+ part is optional.
+ + Without -<turn> (i.e. same as the previous behavior), there
+ is no turn preference. A user's turn will be defined randomly.
+ + <turn> is either "B" for black or "W" for white.
+
+2010-09-04 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/{board,command,game,league,player}.rb
+ The Buoy behavior is changed.
+ + Starting a buoy game, players are notified a starting game
+ position with the initial position and moves, instead of a
+ targeting position.
+ + Players are allowed to start buoy games with specific turns.
+ ex. %%GAME buoy_foo-1500-0 +
+
+2010-08-05 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/command.rb: Prevent a possible password from be
+ logged in a log file when players send invalid LOGIN-like commands.
+ Thanks to Tomoyuki Kaneko for this idea.
+
+2010-08-03 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - sample/{check_file.rb,check_time.rb,check_time2.rb,test_time.rb}:
+ Added new files to test an issue where mtime of log files was
+ earlier than system time.
+ - shogi_server/league/floodgate_thread.rb: SetupFloodgate#start
+ now returns an instance correctly.
+ - ../shogi_server.rb, ../shogi_server/util.rb: Refactored
+ mkdir_for to Mkdir.mkdir_for.
+ - ../shogi_server/game.rb: mkdir_p will be performed in a global
+ mutex of ShogiServer::Mkdir.
+
2010-07-25 Daigo Moriwaki <daigo at debian dot org>
* [shogi-server]
+ Fixed race condition: creating a new directory to archive
logs may have caused race condition, which ended up with
making the server unavailable. This issue has been fixed.
+ - shogi-server:
+ + Improved fault tolerance of the server.
2010-07-23 Daigo Moriwaki <daigo at debian dot org>
* [shogi-server]
- shogi_server.rb, shogi_server/board.rb, shogi_server/move.rb
- Refactoring: Board can now move_to() and move_back() a move
- instread of deep_copy().
+ instead of deep_copy().
2010-07-11 Daigo Moriwaki <daigo at debian dot org>
.
Note: Without this option, no floodgate games are started. If
you want floodgate-900-0 to run, which was default enabled in
- previous versions, you need to spefify the game name in this new
+ previous versions, you need to specify the game name in this new
option.
- Floodgate time configuration file:
You need to set starting times of floodgate groups in
- configuration files under the top directory. Each floodgat
- e group requires a correspoding configuration file named
+ configuration files under the top directory. Each floodgate
+ group requires a corresponding configuration file named
"<game_name>.conf". The file will be re-read once just after a
game starts.
.
floodgate-3600-30.conf. However, for floodgate-900-0 and
floodgate-3600-0, which were default enabled in previous
versions, configuration files are optional if you are happy with
- defualt time settings.
+ default time settings.
File format is:
Line format:
# This is a comment line
2010-02-27 Daigo Moriwaki <daigo at debian dot org>
* [shogi-server]
- - The server now provides more accurate time control. Previouslly,
+ - The server now provides more accurate time control. Previously,
a player's thinking time included a time waiting to get the giant
lock. This may have caused games to time up, especially, during
byo-yomi etc.
* [shogi-server]
- shogi-server: The command line option --floodgate-history has
- been deprectated. The server will decide history file names such
+ been deprecated. The server will decide history file names such
as 'floodgate_history_900_0.yaml' and
'floodgate_history_3600_0.yaml', and then put them in the top
directory.
* [shogi-server]
- shogi_server/player.rb: Added new methods: is_human? and
is_computer?.
- A human player is recommened to use a name ending with '_human'.
+ A human player is recommended to use a name ending with '_human'.
ex. 'hoge_human', 'hoge_human@p1'
- shogi_server/pairing.rb: Added a new class:
StartGameWithoutHumans, which tries to make pairs trying to
- avoid a human-human match. This is now enabled instread of the
+ avoid a human-human match. This is now enabled instead of the
previous class: StartGame.
- shogi-server, shogi_server/league/floodgate.rb:
Changed the argument of Floodgate.new.
which will be used to generate players.yaml. If the file does
not exist, the server will create one automatically.
Instruction to use the game result list file:
- 1. Make a list of game results from exisiting CSA files with
+ 1. Make a list of game results from existing CSA files with
mk_game_results
% ./mk_game_results dir_of_csa_files > 00LIST
2. Run the server. It appends a result of each game to
New commands:
+ %%SETBUOY <game_name> <moves> [count]
Set a new buoy game.
- ex. %%SETBUOYGAME buoy_foo-900-0 +7776FU 10
- ex. %%SETBUOYGAME buoy_foo-1500-0 +7776FU-3334FU
+ ex. %%SETBUOY buoy_foo-900-0 +7776FU 10
+ ex. %%SETBUOY buoy_foo-1500-0 +7776FU-3334FU
- game_name is a valid game name with a prefix "buoy_".
ex. buoy_foo-900-0
- moves are initial moves from the Hirate position to a
- spcific position that you want to start with.
+ specific position that you want to start with.
ex. +7776FU-3334FU+8786FU
- count is an optional attribute to tell how many times the
game can be played (default 1). The count is decremented
2009-06-18 Daigo Moriwaki <daigo at debian dot org>
* [shogi-server]
- - An emtpy floodgate_history.yaml caused a server error. This
+ - An empty floodgate_history.yaml caused a server error. This
issue has been fixed.
(Closes: #15124)
* [mk_html]
- Added a new option: --footer filename, which inserts contents of
- the filename at the bottom of a genrated page. A text specific to
+ the filename at the bottom of a generated page. A text specific to
wdoor should be written by using this option.
(Closes: #14470)
- It does no more depend on RDoc. RDoc::usage does not work well
* [shogi-server]
- Improved an existance check and etc. of directories specified
- by command line options, expecially in case of the daemon mode.
+ by command line options, especially in case of the daemon mode.
(Closes: #14244)
- - A lotated log file is moved to $topdir/YYYY/MM/DD.
+ - A rotated log file is moved to $topdir/YYYY/MM/DD.
(Closes: #14245)
2008-11-27 Daigo Moriwaki <daigo at debian dot org>
* [shogi-server]
- .csa files will be located in a sub directory such as
- "2008/05/05/*.csa". Thease days, we have many games in a day.
+ "2008/05/05/*.csa". These days, we have many games in a day.
This change will help users browse a file list.
2008-05-03 Daigo Moriwaki <daigo at debian dot org>
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