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Subject: RE: Radio issues
Date: Tue, 20 Dec 2011 10:55:20 +0200
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From: "Panagiotis Papadimitriou" <ppap@intracom.gr>
To: "Ammar Ezziddin" <a.ezz@intracom.sy>,
        "ALEXANDRA ROIDI" <alroi@intracom.gr>
Cc: "ttsa@intracom.gr" <ttsa@intracom.gr>,
        "emos@intracom.sy" <emos@intracom.sy>,
        "g.nakkoul@intracom.sy" <g.nakkoul@intracom.sy>,
        "Mr. Mohamad Shoorbajee" <m.shoorbajee@intracom.sy>
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Hello Ammar,

 

From technical point of view, better to get technical support directly from=
 vendor (SELEX), since in Athens we do not have the required experience wit=
h Selex equipment. It would be our pleasure to add in our Greek team portfo=
lio Tetra optimization process. However for this we might need to be involv=
ed with this process from earlier stages, as well as to participate in this=
, during real network development in Syria. This has not been possible, for=
 many reasons. 

 

On the other hand we consider that RF planning / optimization team of Intra=
com is not limited to mother Greek Intracom. So we expect from you to repre=
sent this process in Tetra network of Syria, with direct communication with=
 vendor. It shall be our pleasure to get a copy of all your communication a=
bout this process (me and Alexandra). PMs of this project should advise us =
if there is any problem for direct communication with Selex.

 

BR

Panagiotis      

 

  _____  

From: Ammar Ezziddin [mailto:a.ezz@intracom.sy] 
Sent: Friday, December 16, 2011 2:03 AM
To: ALEXANDRA ROIDI; Panagiotis Papadimitriou
Cc: ttsa@intracom.gr; emos@intracom.sy; g.nakkoul@intracom.sy; Mr. Mohamad =
Shoorbajee; Ammar Ezziddin
Subject: RE: Radio issues

 

Dears Panagiotis & Alexandr;

We should start drive test and optimization soon, and we need someone -who =
is involved with radio parameters of SELEX equipments- as reference to supp=
ort us especially in the first steps.

Would you please take this role or you'll guide and transfer me to someone =
else after arrange with management?

 

 

Thanks

 

Ammar Ezziddin

Intracom - Syria

Mobile: 00963 992111382

Email: a.ezz@intracom.sy

 

  _____  

From: Ammar Ezziddin [mailto:a.ezz@intracom.sy] 
Sent: Wednesday, December 07, 2011 4:27 PM
To: 'Dongbo.Wang@selexelsag.com'; 'sergio.galizia@selex-comms.com'
Cc: 'Simone.Bonechi@selexelsag.com'; 'ttsa@intracom.gr'; 'ALEXANDRA ROIDI';=
 'Panagiotis Papadimitriou'; 'emos@intracom.sy'; 'g.nakkoul@intracom.sy'; '=
Mr. Mohamad Shoorbajee'
Subject: Radio issues

 

 

Dears;

We urgently need support in the following service impacting two problems. T=
hey might be related to each other or not. 

Let us know if your require us to do any test to help you to propose the so=
lution.

 

1-  

Qasioun is very high site (umbrella site) over Damascus city, and it is the=
 serving cell in some parts of Damascus city (outdoor & indoor),

That causes a lot of Ping-Pong Handover & Reselection between Qasioun and m=
any sites. To decrease this action without

Turn off Qasioun or apply any hardware modification I suggest this paramete=
rs modifications:

A)

- Increase value of RX_Lev_Access_Min ((from 4 //-105dBm// to 5 //-100dBm//=
))

TO MAKE THE TERMINAL WHICH CAMPING IN QASIOUN TO START CALCULATION TO RESEL=
ECT STARTING FROM -58dBm NOT FROM -63dBm;

That means the calculation of reselect is always applying.

((the condition is RSSI < Rx_Lev_Access_Min + Slow_TH + Fast_TH))

 

- Decrease value of Fast_Hy ((from 3 //6dBm// to 1 //2dBm//))

TO ACCELERATE MAKING QASIOUN IN RELENQUISHABLE CASE ((the condition is C2 >=
 C1 + Fast_HY))

TO ACCELERATE HANDOVER PROCESS FROM QASIOUN ((the condition is C2 > Fast_TH=
 + Fast_HY))

 

 

2-

When the terminal is camping on cell (A) in ideal mode with signal not less=
 than -77dBm then it goes out of network (no channel) for some seconds then

The terminal camping in cell (B) although it is neighbor to cell (A); the q=
uestion is: 

IS THIS PROBLEM RELATED TO ANY RADIO ISSUE such as parameters to be changed=
 in the switch or the base station? 

 

 

Thanks

Ammar Ezziddin

Intracom - Syria

Mobile: 00963 992111382

Email: a.ezz@intracom.sy

 




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<body lang=3DEL link=3Dblue vlink=3Dpurple>

<div class=3DSection1>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Hello Ammar,<o:p></=
o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></=
span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>From technical poin=
t of
view, better to get technical support directly from vendor (SELEX), since i=
n
Athens we do not have the required experience with Selex equipment. It woul=
d be
our pleasure to add in our Greek team portfolio Tetra optimization process.=
 However
for this we might need to be involved with this process from earlier stages=
, as
well as to participate in this, during real network development in <st1:cou=
ntry-region
w:st=3D"on"><st1:place w:st=3D"on">Syria</st1:place></st1:country-region>. =
This has
not been possible, for many reasons. <o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></=
span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>On the other hand w=
e
consider that RF planning / optimization team of Intracom is not limited to
mother Greek Intracom. So we expect from you to represent this process in T=
etra
network of <st1:country-region w:st=3D"on"><st1:place w:st=3D"on">Syria</st=
1:place></st1:country-region>,
with direct communication with vendor. It shall be our pleasure to get a co=
py
of all your communication about this process (me and Alexandra). PMs of thi=
s
project should advise us if there is any problem for direct communication w=
ith
Selex.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></=
span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>BR<o:p></o:p></span=
></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Panagiotis &nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></=
span></font></p>

<div>

<div class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><font siz=
e=3D3
face=3D"Times New Roman"><span lang=3DEN-US style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter tabindex=3D-1>

</span></font></div>

<p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span lang=3DEN-US
style=3D'font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span>=
</font></b><font
size=3D2 face=3DTahoma><span lang=3DEN-US style=3D'font-size:10.0pt;font-fa=
mily:Tahoma'>
Ammar Ezziddin [mailto:a.ezz@intracom.sy] <br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Friday, December 16, 2=
011
2:03 AM<br>
<b><span style=3D'font-weight:bold'>To:</span></b> ALEXANDRA ROIDI; <st1:Pe=
rsonName
w:st=3D"on">Panagiotis Papadimitriou</st1:PersonName><br>
<b><span style=3D'font-weight:bold'>Cc:</span></b> ttsa@intracom.gr;
emos@intracom.sy; g.nakkoul@intracom.sy; Mr. Mohamad Shoorbajee; Ammar Ezzi=
ddin<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> RE: Radio issues</s=
pan></font><span
lang=3DEN-US><o:p></o:p></span></p>

</div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span style=3D=
'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Dears Panagiotis &a=
mp;
Alexandr;<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>We should start dri=
ve
test and optimization soon, and we need someone &#8211;who is involved with
radio parameters of SELEX equipments- as reference to support us especially=
 in
the first steps.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Would you please ta=
ke
this role or you&#8217;ll guide and transfer me to someone else after arran=
ge
with management?<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></=
span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></=
span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Thanks<o:p></o:p></=
span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Ammar Ezziddin<o:p>=
</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Intracom &#8211; <s=
t1:country-region
w:st=3D"on"><st1:place w:st=3D"on">Syria</st1:place></st1:country-region><o=
:p></o:p></span></font></p>

<p class=3DMsoNormal><st1:City w:st=3D"on"><st1:place w:st=3D"on"><font siz=
e=3D2
  color=3Dnavy face=3DArial><span lang=3DEN-US style=3D'font-size:10.0pt;fo=
nt-family:
  Arial;color:navy'>Mobile</span></font></st1:place></st1:City><font size=
=3D2
color=3Dnavy face=3DArial><span lang=3DEN-US style=3D'font-size:10.0pt;font=
-family:
Arial;color:navy'>: 00963 992111382<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Email: a.ezz@intrac=
om.sy<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
EN-US
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></=
span></font></p>

<div>

<div class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><font siz=
e=3D3
face=3D"Times New Roman"><span lang=3DEN-US style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter tabindex=3D-1>

</span></font></div>

<p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span lang=3DEN-US
style=3D'font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span>=
</font></b><font
size=3D2 face=3DTahoma><span lang=3DEN-US style=3D'font-size:10.0pt;font-fa=
mily:Tahoma'>
Ammar Ezziddin [mailto:a.ezz@intracom.sy] <br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Wednesday, December 07=
, 2011
4:27 PM<br>
<b><span style=3D'font-weight:bold'>To:</span></b> 'Dongbo.Wang@selexelsag.=
com';
'sergio.galizia@selex-comms.com'<br>
<b><span style=3D'font-weight:bold'>Cc:</span></b>
'Simone.Bonechi@selexelsag.com'; 'ttsa@intracom.gr'; 'ALEXANDRA ROIDI'; '<s=
t1:PersonName
w:st=3D"on">Panagiotis Papadimitriou</st1:PersonName>'; 'emos@intracom.sy';
'g.nakkoul@intracom.sy'; 'Mr. Mohamad Shoorbajee'<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> Radio issues</span>=
</font><span
lang=3DEN-US><o:p></o:p></span></p>

</div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span lang=3DE=
N-US
style=3D'font-size:12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span lang=3DE=
N-US
style=3D'font-size:12.0pt'><o:p>&nbsp;</o:p></span></font></p>

</div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>Dears<font color=3Dnavy><span style=3D'color:navy=
'>;</span></font><o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>We urgently need support in the following service
impacting two problems.&nbsp;They might be related to each other or not. <o=
:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>Let us know if your require us to do any test to =
help
you to propose the solution.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>1- &nbsp;<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>Qasioun is very high site (umbrella site) over <s=
t1:City
w:st=3D"on">Damascus</st1:City> city, and it is the serving cell in some pa=
rts of
<st1:City w:st=3D"on"><st1:place w:st=3D"on">Damascus</st1:place></st1:City=
> city
(outdoor &amp; indoor),<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>That causes a lot of Ping-Pong Handover &amp;
Reselection between Qasioun and many sites. To decrease this action without=
<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>Turn off Qasioun or apply any hardware modificati=
on I
suggest this parameters modifications:<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>A)<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>- Increase value of RX_Lev_Access_Min ((from 4
//-105dBm// to 5 //-100dBm//))<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>TO MAKE THE TERMINAL WHICH CAMPING IN QASIOUN TO
START CALCULATION TO RESELECT STARTING FROM -58dBm NOT FROM -63dBm<font
color=3Dnavy><span style=3D'color:navy'>;</span></font><o:p></o:p></span></=
font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>That means the calculation of reselect is always
applying.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><b><font size=3D2 face=3DArial><span lang=3DEN-US
style=3D'font-size:10.0pt;font-family:Arial;font-weight:bold'>((the conditi=
on is</span></font></b><font
size=3D2 face=3DArial><span lang=3DEN-US style=3D'font-size:10.0pt;font-fam=
ily:Arial'> <b><span
style=3D'font-weight:bold'>RSSI &lt; Rx_Lev_Access_Min + Slow_TH + Fast_TH)=
)<o:p></o:p></span></b></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>- Decrease value of Fast_Hy ((from 3 //6dBm// to =
1
//2dBm//))<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>TO ACCELERATE MAKING QASIOUN IN RELENQUISHABLE CA=
SE (<b><span
style=3D'font-weight:bold'>(the condition is</span></b> <b><span
style=3D'font-weight:bold'>C2 &gt; C1 + Fast_HY))</span></b><o:p></o:p></sp=
an></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>TO ACCELERATE HANDOVER PROCESS FROM QASIOUN <b><s=
pan
style=3D'font-weight:bold'>((the condition is</span></b> <b><span
style=3D'font-weight:bold'>C2 &gt; Fast_TH + Fast_HY))<o:p></o:p></span></b=
></span></font></p>

<p class=3DMsoNormal><b><font size=3D2 face=3DArial><span lang=3DEN-US
style=3D'font-size:10.0pt;font-family:Arial;font-weight:bold'><o:p>&nbsp;</=
o:p></span></font></b></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>2-<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>When the terminal is camping on cell (A) in ideal
mode with signal not less than -77dBm then it goes out of network (no chann=
el)
for some seconds then<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>The terminal camping in cell (B) although it is
neighbor to cell (A); the question is: <o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'>IS THIS PROBLEM RELATED TO ANY RADIO ISSUE such a=
s
parameters to be changed in the switch or the base station? <o:p></o:p></sp=
an></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-US style=
=3D'font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><a name=3D"OLE_LINK1"></a><a name=3D"OLE_LINK2"></a><f=
ont
size=3D2 color=3Dnavy face=3DArial><span lang=3DEN-US style=3D'font-size:10=
.0pt;
font-family:Arial;color:navy'>Thanks</span></font><font size=3D2 face=3DAri=
al><span
lang=3DEN-US style=3D'font-size:10.0pt;font-family:Arial'><o:p></o:p></span=
></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
SV
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Ammar Ezziddin<o:p>=
</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
SV
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Intracom &#8211; Sy=
ria<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
SV
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Mobile: 00963 99211=
1382<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span lang=3D=
SV
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Email: a.ezz@intrac=
om.sy<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DSV style=3D'f=
ont-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

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