jrdZddlmZddlZddlmZmZmZmZddl m Z ddl m Z m Z ddl mZmZmZmZddlZddlmZmZmZerdd lmZdd lmZdd lmZmZej<eZ d$d Z!Gd deZ"e GddZ#e GddZ$e GddZ%dZ&dZ'GddZ(GddZ)edZ* e GddZ+e GddZ,Gd d!Z-Gd"d#Z.y)%z#Data models for the sandbox client.) annotationsN) AsyncIterator AwaitableCallableIterator) dataclass)datetimetimezone) TYPE_CHECKINGAnyLiteralOptional)SandboxConnectionErrorSandboxOperationErrorSandboxServerReloadError) AsyncSandbox)Sandbox)_AsyncWSStreamControl_WSStreamControlc`|jd}||k(rytjd||y)aWhether a 'started' frame proves *this* command was reattached to. A command and its WebSocket are separate things: the command keeps running on the server and the socket is only this client's attachment to it. The server acknowledges every successful reattachment with 'started', which for a command that produces no output is the only evidence it landed. One naming a different command is not evidence, and must not clear the reconnect budget. command_idTzFIgnoring reconnect acknowledgement for command %r while attached to %rF)getloggerwarning)msgrackeds c/var/www/html/Fitness-lenito-AI-main/venv/lib/python3.12/site-packages/langsmith/sandbox/_models.py_acknowledges_reconnectrs7 GGL !E  NNP  ceZdZdZy)_StreamEndedBeforeStartedaTA command WebSocket closed before the guest sent its 'started' frame. Internal marker for the idempotently-retryable early close (the proxied tunnel was torn down gracefully mid-handshake), as distinct from a command-level failure. Subclasses SandboxOperationError so callers that catch the public type are unaffected. N)__name__ __module__ __qualname____doc__rrr!r!2srr!cBeZdZUdZded<ded<ded<ed dZy) ExecutionResultz+Result of executing a command in a sandbox.strstdoutstderrint exit_codec |jdk(S)z.Return True if the command exited with code 0.r)r-selfs rsuccesszExecutionResult.successDs~~""rNreturnbool)r"r#r$r%__annotations__propertyr1r&rrr(r(<s&5 K KN ##rr(c<eZdZUdZded<dZded<eddZy) ResourceStatusaLightweight provisioning status for any async-created resource. Attributes: status: Resource lifecycle status. One of "provisioning", "ready", "failed". status_message: Human-readable details when status is "failed", None otherwise. r)statusN Optional[str]status_messagecT||jdd|jdS)z/Create a ResourceStatus from API response dict.r9 provisioningr;)r9r;rclsdatas r from_dictzResourceStatus.from_dictVs,88Hn588$45  r)rAdict[str, Any]r3r8)r"r#r$r%r5r; classmethodrBr&rrr8r8Js* K$(NM(  rr8ceZdZUdZded<ded<ded<ded<dZd ed <dZd ed <dZd ed <dZd ed <dZ ded<dZ d ed<dZ d ed<dZ d ed<dZ d ed<eddZy)SnapshotaRepresents a sandbox snapshot. Snapshots are built from Docker images or captured from running sandboxes. They are used to create new sandboxes. Attributes: id: Unique identifier (UUID). name: Display name. status: Build status. One of "building", "ready", "failed". fs_capacity_bytes: Filesystem capacity in bytes. docker_image: Source Docker image (for build snapshots). image_digest: Docker image digest after pull. source_sandbox_id: Source sandbox (for capture snapshots). status_message: Human-readable details when status is "failed". fs_used_bytes: Actual bytes used on the filesystem. created_by: User or service that created the snapshot. registry_id: Private registry ID, if applicable. created_at: Timestamp when the snapshot was created. updated_at: Timestamp when the snapshot was last updated. r)idnamer9r,fs_capacity_bytesNr: docker_image image_digestsource_sandbox_idr; Optional[int] fs_used_bytes created_by registry_id created_at updated_atc||jdd|jdd|jdd|jdd|jd|jd |jd |jd |jd |jd |jd|jd|jd S)z)Create a Snapshot from API response dict.rGrHr9buildingrIrrJrKrLr;rNrOrPrQrR) rGrHr9rIrJrKrLr;rNrOrPrQrRr>r?s rrBzSnapshot.from_dictsxxb!&"%88Hj1"hh':A>.1.1"hh':;88$45((?3xx -/xx -xx -  r)rArCr3rF)r"r#r$r%r5rJrKrLr;rNrOrPrQrRrDrBr&rrrFrF_s* G I K"&L-&"&L-&'+}+$(NM(#'M=' $J $!%K% $J $ $J $  rrFz!X-Langsmith-Sandbox-Service-TokenceZdZdZdd ddZddZddZeddZeddZ edd Z edd Z ddd Z ddd Z ddd ZdddZdddZdddZedd ddZddZy) ServiceURLarAuthenticated URL for accessing an HTTP service running in a sandbox. Properties auto-refresh the token transparently when it nears expiry. HTTP helper methods (``.get``, ``.post``, etc.) inject the auth header automatically. When constructed by :meth:`SandboxClient.service` or :meth:`Sandbox.service`, the object holds an internal refresher that re-calls the API to obtain a fresh token before the current one expires. Example:: svc = sb.service(port=3000) resp = svc.get("/api/data") # token injected + auto-refreshed print(svc.browser_url) # always-fresh URL N _refreshercJ||_||_||_||_||_yN _browser_url _service_url_token _expires_atrZr0 browser_url service_urltoken expires_atrZs r__init__zServiceURL.__init__*(' %$rcP|jy|jjdd}tj|}|j |jt j}|tjt jz j}|tkSNFZz+00:00)tzinfo rZrareplacer fromisoformatrlr utcnow total_seconds_REFRESH_MARGIN_SECONDSr0rawexpires remainings r_should_refreshzServiceURL._should_refresh ?? "&&sH5((- >> !ooX\\o:Gx||HLL99HHJ 333rc|jrU|j}|j|_|j|_|j|_|j |_yyr\rxrZr^r_r`rar0freshs r_maybe_refreshzServiceURL._maybe_refreshsT    !OO%E % 2 2D  % 2 2D ,,DK$00D  "rc:|j|jS).Return the raw JWT, refreshing if near expiry.r~r`r/s rrezServiceURL.tokens {{rc:|j|jS)/Return the base URL, refreshing if near expiry.r~r_r/s rrdzServiceURL.service_url    rc:|j|jS)7Return the browser auth URL, refreshing if near expiry.r~r^r/s rrczServiceURL.browser_urlrrc:|j|jS):Return the ISO 8601 expiration, refreshing if near expiry.r~rar/s rrfzServiceURL.expires_ats rc |jjddz|jdz}t|j ddxsi}|j |t <tj||fd|i|S)a"Make an HTTP request to the service, injecting the auth header. Args: method: HTTP method (GET, POST, etc.). path: Path relative to the service URL. **kwargs: Forwarded to ``httpx.request``. Returns: httpx.Response. /headersN) rdrstriplstripdictpopre _AUTH_HEADERhttpxrequest)r0methodpathkwargsurlrs rrzServiceURL.requestsp%%c*S04;;s3CCvzz)T28b9 $  }}VSD'DVDDrc *|jd|fi|S)zHTTP GET to the service.GETrr0rrs rrzServiceURL.gett||E42622rc *|jd|fi|S)zHTTP POST to the service.POSTrrs rpostzServiceURL.postst||FD3F33rc *|jd|fi|S)zHTTP PUT to the service.PUTrrs rputzServiceURL.put rrc *|jd|fi|S)zHTTP PATCH to the service.PATCHrrs rpatchzServiceURL.patchst||GT4V44rc *|jd|fi|S)zHTTP DELETE to the service.DELETErrs rdeletezServiceURL.deletest||Hd5f55rc4||d|d|d|d|S)z+Create a ServiceURL from API response dict.rcrdrerfrcrdrerfrZr&r@rArZs rrBzServiceURL.from_dict3]+]+w-L)!   rc<d|jd|jdS)NzServiceURL(service_url= , expires_at=)r_rar/s r__repr__zServiceURL.__repr__(s-%d&7&7%:;**-Q 0 r) rcr)rdr)rer)rfr)rZ"Optional[Callable[[], ServiceURL]]r3Noner2r3rr3r)rrr)rr)rr r3httpx.Responserr)rr r3r)rArCrZrr3rX)r"r#r$r%rgrxr~r6rerdrcrfrrrrrrrDrBrr&rrrXrXs2:> % % % %  %7 %  %"41 !! !!   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Example:: svc = await sb.service(port=3000) resp = await svc.get("/api/data") print(await svc.get_browser_url()) NrYcJ||_||_||_||_||_yr\r]rbs rrgzAsyncServiceURL.__init__=rhrcP|jy|jjdd}tj|}|j |jt j}|tjt jz j}|tkSrjrmrts rrxzAsyncServiceURL._should_refreshNryrcK|jr]|jd{}|j|_|j|_|j|_|j |_yy7Jwr\r{r|s rr~zAsyncServiceURL._maybe_refreshXs^    !//++E % 2 2D  % 2 2D ,,DK$00D  "+s$A3A1A A3cVK|jd{|jS7w)rNrr/s r get_tokenzAsyncServiceURL.get_tokenbs'!!###{{ $ )')cVK|jd{|jS7w)rNrr/s rget_service_urlzAsyncServiceURL.get_service_urlg)!!###    $rcVK|jd{|jS7w)rNrr/s rget_browser_urlzAsyncServiceURL.get_browser_urllrrcVK|jd{|jS7w)rNrr/s rget_expires_atzAsyncServiceURL.get_expires_atqs)!!### $rc|jS)z&Return the raw JWT without refreshing.)r`r/s rrezAsyncServiceURL.tokenxs{{rc|jS)z'Return the base URL without refreshing.)r_r/s rrdzAsyncServiceURL.service_url}   rc|jS)z/Return the browser auth URL without refreshing.)r^r/s rrczAsyncServiceURL.browser_urlrrc|jS)z3Return the expiration timestamp without refreshing.)rar/s rrfzAsyncServiceURL.expires_atrcK|jd{jddz|jdz}t|j ddxsi}|j d{|t <tj4d{}|j||fd|i|d{cdddd{S77Y7777 #1d{7swYyxYww)a4Make an async HTTP request to the service, injecting the auth header. Args: method: HTTP method (GET, POST, etc.). path: Path relative to the service URL. **kwargs: Forwarded to ``httpx.AsyncClient.request``. Returns: httpx.Response. Nrr) rrrrrrrr AsyncClientr)r0rrrrrclients rrzAsyncServiceURL.requests))++33C83>SAQQvzz)T28b9&*nn&6 6 $$&&&'OWOOO'&&, 6&O'&&&s|C(C AC(1C 2#C(C C(C3C4C7 C(CC( C( C(CC(C%C C%!C(cFK|jd|fi|d{S7w)zAsync HTTP GET to the service.rNrrs rrzAsyncServiceURL.get$!T\\%88888 !!cFK|jd|fi|d{S7w)zAsync HTTP POST to the service.rNrrs rrzAsyncServiceURL.posts$!T\\&$9&9999rcFK|jd|fi|d{S7w)zAsync HTTP PUT to the service.rNrrs rrzAsyncServiceURL.putrrcFK|jd|fi|d{S7w)z Async HTTP PATCH to the service.rNrrs rrzAsyncServiceURL.patchs$!T\\'4:6::::rcFK|jd|fi|d{S7w)z!Async HTTP DELETE to the service.rNrrs rrzAsyncServiceURL.deletes$!T\\(D;F;;;;rc4||d|d|d|d|S)z1Create an AsyncServiceURL from API response dict.rcrdrerfrr&rs rrBzAsyncServiceURL.from_dictrrc<d|jd|jdS)NzAsyncServiceURL(service_url=rrrr/s rrzAsyncServiceURL.__repr__s.*4+<+<*?@**-Q 0 r) rcr)rdr)rer)rfr)rZ2Optional[Callable[[], Awaitable[AsyncServiceURL]]]r3rr2rrrrr)rArCrZrr3r)r"r#r$r%rgrxr~rrrrr6rerdrcrfrrrrrrrDrBrr&rrrr/sA (JN % % % %  %G %  %"41 ! !  !!!!  (+PP!$P69P P&9:9;<  JN    G       rr) attachmentinlinecFeZdZUdZded<ded<dZded<ed dZy) DownloadURLa8A link that downloads one sandbox file with no LangSmith credential. The link is pinned to the sandbox, the file path, and the response headers, so it cannot be repointed at another file. It is pinned to the path rather than to a snapshot of the contents, so the file must not be modified while the link is in use. Attributes: download_url: The full URL to fetch. Supports GET, HEAD, and Range. token: The signed token embedded in ``download_url``. expires_at: Expiry timestamp, or None for a link that never expires. r) download_urlreNr:rfcv||jdd|jdd|jdS)z,Create a DownloadURL from API response dict.rrTrerf)rrerfr>r?s rrBzDownloadURL.from_dicts9."5((7B'xx -  r)rArCr3r)r"r#r$r%r5rfrDrBr&rrrrs0  J $J $  rrc0eZdZUdZded<ded<ded<y) OutputChunkafA single chunk of streaming output from command execution. Attributes: stream: Either "stdout" or "stderr". data: The text content of this chunk (valid UTF-8, server handles boundary splitting). offset: Byte offset within the stream. Used internally for reconnection; users typically don't need this. r)streamrAr,offsetN)r"r#r$r%r5r&rrrrs K I KrrceZdZdZdZdZdZdddddd dd Zdd Ze dd Z e dd Z e dd Z ddZ ddZddZddZe ddZe ddZddZy) CommandHandleu Handle to a running command with streaming output and auto-reconnect. Iterable, yielding OutputChunk objects (stdout and stderr interleaved in arrival order). Access .result after iteration to get the full ExecutionResult. Auto-reconnect behavior: - Server hot-reload (1001 Going Away): reconnect immediately - Network error / unexpected close: reconnect with exponential backoff - User called kill(): do NOT reconnect (propagate error) The auto-reconnect is transparent -- the iterator reconnects and continues yielding chunks without any user intervention. If all reconnect attempts are exhausted, SandboxConnectionError is raised. Construction modes (controlled by ``command_id``): - **New execution** (``command_id=""``, the default): the constructor eagerly reads the server's ``"started"`` message to populate ``command_id`` and ``pid`` before returning. - **Reconnection** (``command_id`` set): skips the started-message read. A reconnect stream's ``"started"`` message is the server's acknowledgement that the reattachment landed, consumed while iterating to clear the reconnect budget — the only such signal for a command that emits no output. Example: handle = sandbox.run("make build", timeout=600, wait=False) for chunk in handle: # auto-reconnects on transient errors print(chunk.data, end="") result = handle.result print(f"Exit code: {result.exit_code}") ? @rTrNr stdout_offset stderr_offset on_stdout on_stderrc||_||_||_||_||_d|_d|_d|_g|_g|_ d|_ ||_ ||_ d|_ |r||_y|jy)NFr)_stream_control_sandbox _on_stdout _on_stderr _command_id_pid_result _stdout_parts _stderr_parts _exhausted_last_stdout_offset_last_stderr_offset_reconnect_attempts_consume_started r0message_streamcontrolsandboxrrrrrs rrgzCommandHandle.__init__2s&   ##*.#' 26 (*(*#0 #0 #$ )D   ! ! #rc$ t|j}|j ddk7r t d|j ddd|j d|_|j d |_y #t$rtddwxYw) aHEagerly read the 'started' message to populate command_id and pid. Blocks briefly until the server sends the started message (arrives near-instantly after connection). After this call, command_id and pid are available, and the WebSocket is bound to the control object (so kill() works). -Command stream ended before 'started' messagecommand operationtypestarted!Expected 'started' message, got ''rpidN)nextr StopIterationr!rrrrr0 first_msgs rrzCommandHandle._consume_startedUs T\\*I == I -'3IMM&4I3J!L# %==6MM%(  +?#  s A88Bc|jS)z=The server-assigned command ID. Available after construction.rr/s rrzCommandHandle.command_idlrrc|jS)z}|jr|jjr|xjdz c_|j|jkDrtd|jd|t!|t"}|sDt%|j&d|jdz zz|j(}|j+||j,J|j.j1|j,|j|j }|j2|_|j|_ d |_Yd}~nd}~wwxYw9w) aEIterate over output chunks, auto-reconnecting on transient errors. Reconnect strategy: - 1001 Going Away (hot-reload): immediate reconnect, no delay - Other SandboxConnectionError: exponential backoff (0.5s, 1s, 2s...) - After kill(): no reconnect, error propagates rNr*utf-8"Failed to reattach to the command  times in succession, giving uprrF)timerr'rrlenrAencoderrrrrrkilledMAX_AUTO_RECONNECTS isinstancermin _BACKOFF_BASE _BACKOFF_MAXsleeprr reconnectrr)r0r/r&e is_hot_reloaddelay new_handles r__iter__zCommandHandle.__iter__s #$ . (!..0E/0D,||x/38<<#!JJ--g6C40 ??6 OOEJJ738<<#!JJ--g6C40 ??6 OOEJJ7K1) (==T]]%9%9((A-(++d.F.FF0<3345$%  !+1.F G $**aD4L4Lq4P.QR))EJJu%''333!]]44$$"&":":"&":":5 *11 * 3 3 "'9 ('s0 IC*C;:I; ID4H>9I>IIcR|jr|jjyy)a/Send a kill signal to the running command (SIGKILL). The server kills the entire process group. The stream will subsequently yield an exit message with a non-zero exit code. Has no effect if the command has already exited or the WebSocket connection is closed. Nr send_killr/s rkillzCommandHandle.kills  == MM # # % rcT|jr|jj|yy)zWrite data to the command's stdin. Args: data: String data to write to stdin. Has no effect if the command has already exited or the WebSocket connection is closed. Nr send_inputr0rAs rrEzCommandHandle.send_inputs" == MM $ $T * rc|jSz8Last known stdout byte offset (for manual reconnection).rr/s rlast_stdout_offsetz CommandHandle.last_stdout_offset'''rc|jSz8Last known stderr byte offset (for manual reconnection).rr/s rlast_stderr_offsetz CommandHandle.last_stderr_offsetrKrc|jJ|jj|j|j|jS)aReconnect to this command from the last known offsets. Returns a new handle that resumes output from where this one left off. Any output produced while disconnected is replayed from the server's ring buffer. Returns: A new CommandHandle. Raises: SandboxOperationError: If command_id is not found or session expired. SandboxConnectionError: If connection to sandbox fails. r.rrr9rrr/s rr9zCommandHandle.reconnectsM+++}}&&   2222'  r)rzIterator[dict]rzOptional[_WSStreamControl]rrrr)rr,rr,rOptional[Callable[[str], Any]]rrRr3rrr3r:r3rMr3r()r3zIterator[OutputChunk]rAr)r3rr3r,)r3r)r"r#r$r%r3r6r7rgrr6rrrr'r>rBrErJrOr9r&rrrr s !FML4848!$&!$,!$ !$  !$!$!$2!$2!$ !$F).   R<:(x & +(((( rrceZdZdZdZdZdZdddddd dd Zdd Ze dd Z e dd Z e dd Z ddZ ddZddZddZe ddZe ddZddZy)AsyncCommandHandleueAsync handle to a running command with streaming output and auto-reconnect. Async iterable, yielding OutputChunk objects (stdout and stderr interleaved in arrival order). Access .result after iteration to get the full ExecutionResult. Auto-reconnect behavior: - Server hot-reload (1001 Going Away): reconnect immediately - Network error / unexpected close: reconnect with exponential backoff - User called kill(): do NOT reconnect (propagate error) Construction modes (controlled by ``command_id``): - **New execution** (``command_id=""``, the default): call ``await handle._ensure_started()`` after construction to read the server's ``"started"`` message and populate ``command_id`` / ``pid``. - **Reconnection** (``command_id`` set): skips the started-message read. A reconnect stream's ``"started"`` message is the server's acknowledgement that the reattachment landed, consumed while iterating to clear the reconnect budget — the only such signal for a command that emits no output. Example: handle = await sandbox.run("make build", timeout=600, wait=False) async for chunk in handle: # auto-reconnects on transient errors print(chunk.data, end="") result = await handle.result print(f"Exit code: {result.exit_code}") rrrrTrNrc||_||_||_||_||_d|_d|_d|_g|_g|_ d|_ ||_ ||_ d|_ |r||_d|_yd|_y)NFrT)rrrrrrrrrrrrrr_startedrs rrgzAsyncCommandHandle.__init__>s&   ##*.#' 26 (*(*#0 #0 #$ )D  DM!DMrcrK|jry |jjd{}|j ddk7r t d|j ddd|j d |_|j d |_d |_y7l#t$rt ddwxYww) z:Read the 'started' message to populate command_id and pid.Nrrr r r r rrrT) r[r __anext__StopAsyncIterationr!rrrrrs r_ensure_startedz"AsyncCommandHandle._ensure_startedbs ==  "ll4466I == I -'3IMM&4I3J!L# %==6MM%(  7! +?#  s,B7BBBA(B7BB44B7c|jS)z@The server-assigned command ID. Available after _ensure_started.rr/s rrzAsyncCommandHandle.command_idvrrc|jS)z?The process ID on the sandbox. Available after _ensure_started.rr/s rrzAsyncCommandHandle.pid{rrcK|j |23d{} |j tdd|jS7*6)w)z&The final execution result. Awaitable.Nrrr rrs rrzAsyncCommandHandle.resultsP <<  a << ';# || 4s%AAAA'AAAc K|jd{|jry|j23d{}|jd}|dk(rt ||j s6d|_>|dvrit||d|jdd}|d k(r|jj|dn|jj|d||d k(std j|jd j|j|d  |_ d|_y7 76tdwr )r_rrrrrrrrr"rr(r#rrr$s r _aiter_streamz AsyncCommandHandle._aiter_streams/""$$$ ??  #wwvH9$*30@0@A/0D,11##V778Q/ x'&&--c&k:&&--c&k: V#.774#5#56774#5#56!+.  #'5 % 0%%PQQs=ED6ED<D9D<-E*A:E%AE9D<< EcKddl}d|_ |j23d{}d|_|jdk(r^|jt |j jdz|_|jy|j|j n]|jt |j jdz|_ |j|j|j |76y#t$rP}|jr|jjr|xjdz c_|j|jkDrtd|jd|t!|t"}|sMt%|j&d|jdz zz|j(}|j+|d{7|j,J|j.j1|j,|j|j d{7}|j2|_|j|_ d |_Yd}~nd}~wwxYwTw) z6Async iterate with auto-reconnect on transient errors.rNr*r)r*r+r,r-r.F)asynciorrdrrr0rAr1rrrrrrr2r3r4rr5r6r7r8rrr9rr)r0rfr&r:r;r<r=s r __aiter__zAsyncCommandHandle.__aiter__s(#$ . (#'#5#5#7 %/0D,||x/38<<#!JJ--g6C40 ??6 OOEJJ738<<#!JJ--g6C40 ??6 OOEJJ7K #7) (==T]]%9%9((A-(++d.F.FF0<3345$%  !+1.F G $**aD4L4Lq4P.QR))E"--...''333#'==#:#:$$"&":":"&":":$;$ *11 * 3 3 "'9 ('si I#DDDDCDDDI# ICIGAI%H(&.II#II#cnK|jr#|jjd{yy7w)z*Send a kill signal to the running command.Nr@r/s rrBzAsyncCommandHandle.kills+ ==--))+ + +  +s *535cpK|jr$|jj|d{yy7w)z"Write data to the command's stdin.NrDrFs rrEzAsyncCommandHandle.send_inputs- ==--**40 0 0  0s +646c|jSrHrIr/s rrJz%AsyncCommandHandle.last_stdout_offsetrKrc|jSrMrNr/s rrOz%AsyncCommandHandle.last_stderr_offsetrKrcK|jJ|jj|j|j|jd{S7w)z6Reconnect to this command from the last known offsets.Nr.rQr/s rr9zAsyncCommandHandle.reconnectsY+++]],,   2222-    sAAAA)rzAsyncIterator[dict]rzOptional[_AsyncWSStreamControl]rrrr)rr,rr,rrRrrRr3rrrSrTrU)r3zAsyncIterator[OutputChunk]rVrW)r3rY)r"r#r$r%r3r6r7rgr_r6rrrrdrgrBrErJrOr9r&rrrYrYs >ML4848""+""1"" ""  """"""2""2"" ""H(    R>4(l, 1 (((( rrY)rrrr:r3r4)/r% __future__rloggingcollections.abcrrrr dataclassesrr r typingr r r rrlangsmith.sandbox._exceptionsrrr langsmith.sandbox._async_sandboxrlangsmith.sandbox._sandboxrlangsmith.sandbox._ws_executerr getLoggerr"rrr!r(r8rFrrsrXrDownloadContentDispositionrrrrYr&rrrxs3)"HH!'88  =2   8 $( 5  # #  #     ( 5 5  5 x3 L L ^\ \ H%%;<>     B      M M `c c r