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dc7ca31d | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
72e48d95 | 17 | /********************************************************************* |
18 | * T0 reconstruction and filling ESD | |
19 | * - reconstruct mean time (interation time) | |
20 | * - vertex position | |
21 | * - multiplicity | |
22 | ********************************************************************/ | |
dc7ca31d | 23 | |
af885e0f | 24 | #include <AliESDEvent.h> |
dc7ca31d | 25 | #include "AliLog.h" |
dc7ca31d | 26 | #include "AliT0RecPoint.h" |
27 | #include "AliRawReader.h" | |
28 | #include "AliT0RawReader.h" | |
dc7ca31d | 29 | #include "AliT0digit.h" |
30 | #include "AliT0Reconstructor.h" | |
31 | #include "AliT0Parameters.h" | |
c41ceaac | 32 | #include "AliT0Calibrator.h" |
dc7ca31d | 33 | |
34 | #include <TArrayI.h> | |
35 | #include <TGraph.h> | |
aad72f45 | 36 | #include <TMath.h> |
b09247a2 | 37 | #include <Riostream.h> |
dc7ca31d | 38 | |
39 | ClassImp(AliT0Reconstructor) | |
40 | ||
c41ceaac | 41 | AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(), |
f16935f7 | 42 | fdZonA(0), |
43 | fdZonC(0), | |
44 | fZposition(0), | |
45 | fParam(NULL), | |
2e6a5ee0 | 46 | fAmpLEDrec(), |
c883fdf2 | 47 | fQTC(0), |
48 | fAmpLED(0), | |
2e6a5ee0 | 49 | fCalib() |
e0bba6cc | 50 | { |
72e48d95 | 51 | //constructor |
52 | ||
c41ceaac | 53 | AliDebug(1,"Start reconstructor "); |
74adb36a | 54 | |
55 | fParam = AliT0Parameters::Instance(); | |
56 | fParam->Init(); | |
c883fdf2 | 57 | TString option = GetOption(); |
58 | ||
74adb36a | 59 | for (Int_t i=0; i<24; i++){ |
2e6a5ee0 | 60 | TGraph* gr = fParam ->GetAmpLEDRec(i); |
29ed1d0e | 61 | if (gr) fAmpLEDrec.AddAtAndExpand(gr,i) ; |
c883fdf2 | 62 | TGraph* gr1 = fParam ->GetAmpLED(i); |
63 | if (gr1) fAmpLED.AddAtAndExpand(gr1,i) ; | |
64 | TGraph* gr2 = fParam ->GetQTC(i); | |
65 | if (gr2) fQTC.AddAtAndExpand(gr2,i) ; | |
66 | ||
67 | } | |
29ed1d0e | 68 | |
f16935f7 | 69 | fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1")); |
70 | fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15")); | |
12e9daf9 | 71 | fCalib = new AliT0Calibrator(); |
72 | ||
c41ceaac | 73 | } |
74 | //____________________________________________________________________ | |
e0bba6cc | 75 | |
c41ceaac | 76 | AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r): |
d76c31f4 | 77 | AliReconstructor(r), |
f16935f7 | 78 | fdZonA(0), |
79 | fdZonC(0), | |
80 | fZposition(0), | |
81 | fParam(NULL), | |
2e6a5ee0 | 82 | fAmpLEDrec(), |
c883fdf2 | 83 | fQTC(0), |
84 | fAmpLED(0), | |
2e6a5ee0 | 85 | fCalib() |
86 | ||
f16935f7 | 87 | { |
c41ceaac | 88 | // |
89 | // AliT0Reconstructor copy constructor | |
90 | // | |
e0bba6cc | 91 | |
c41ceaac | 92 | ((AliT0Reconstructor &) r).Copy(*this); |
e0bba6cc | 93 | |
94 | } | |
95 | ||
c41ceaac | 96 | //_____________________________________________________________________________ |
97 | AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r) | |
dc7ca31d | 98 | { |
c41ceaac | 99 | // |
100 | // Assignment operator | |
101 | // | |
102 | ||
103 | if (this != &r) ((AliT0Reconstructor &) r).Copy(*this); | |
104 | return *this; | |
e0bba6cc | 105 | |
dc7ca31d | 106 | } |
c41ceaac | 107 | |
108 | //_____________________________________________________________________________ | |
109 | ||
dc7ca31d | 110 | void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const |
94c27e4f | 111 | |
dc7ca31d | 112 | { |
94c27e4f | 113 | // T0 digits reconstruction |
114 | // T0RecPoint writing | |
c41ceaac | 115 | |
d0bcd1fb | 116 | |
c41ceaac | 117 | TArrayI * timeCFD = new TArrayI(24); |
118 | TArrayI * timeLED = new TArrayI(24); | |
119 | TArrayI * chargeQT0 = new TArrayI(24); | |
120 | TArrayI * chargeQT1 = new TArrayI(24); | |
74adb36a | 121 | |
d0bcd1fb | 122 | |
8955c6b4 | 123 | Float_t channelWidth = fParam->GetChannelWidth() ; |
b95e8d87 | 124 | Float_t meanVertex = fParam->GetMeanVertex(); |
94c27e4f | 125 | |
dc7ca31d | 126 | AliDebug(1,Form("Start DIGITS reconstruction ")); |
94c27e4f | 127 | |
2e6a5ee0 | 128 | |
d0bcd1fb | 129 | TBranch *brDigits=digitsTree->GetBranch("T0"); |
e0bba6cc | 130 | AliT0digit *fDigits = new AliT0digit() ; |
dc7ca31d | 131 | if (brDigits) { |
132 | brDigits->SetAddress(&fDigits); | |
133 | }else{ | |
f16935f7 | 134 | AliError(Form("EXEC Branch T0 digits not found")); |
135 | return; | |
dc7ca31d | 136 | } |
e0bba6cc | 137 | |
c41ceaac | 138 | digitsTree->GetEvent(0); |
139 | digitsTree->GetEntry(0); | |
140 | brDigits->GetEntry(0); | |
141 | fDigits->GetTimeCFD(*timeCFD); | |
142 | fDigits->GetTimeLED(*timeLED); | |
143 | fDigits->GetQT0(*chargeQT0); | |
144 | fDigits->GetQT1(*chargeQT1); | |
446d6ec4 | 145 | Int_t onlineMean = fDigits->MeanTime(); |
c883fdf2 | 146 | |
c41ceaac | 147 | |
148 | Float_t besttimeA=999999; | |
149 | Float_t besttimeC=999999; | |
150 | Int_t pmtBestA=99999; | |
151 | Int_t pmtBestC=99999; | |
dc7ca31d | 152 | Float_t timeDiff=999999, meanTime=0; |
153 | ||
d0bcd1fb | 154 | // Int_t mv2MIP = fParam-> GetmV2Mip(); |
c883fdf2 | 155 | |
e0bba6cc | 156 | |
94c27e4f | 157 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); |
158 | clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
159 | ||
b95e8d87 | 160 | Float_t time[24], adc[24]; |
dc7ca31d | 161 | for (Int_t ipmt=0; ipmt<24; ipmt++) { |
c41ceaac | 162 | if(timeCFD->At(ipmt)>0 ){ |
d0bcd1fb | 163 | if(( chargeQT1->At(ipmt) - chargeQT0->At(ipmt))>0) |
164 | adc[ipmt] = chargeQT1->At(ipmt) - chargeQT0->At(ipmt); | |
a7027400 | 165 | else |
d0bcd1fb | 166 | adc[ipmt] = 0; |
167 | ||
168 | time[ipmt] = fCalib-> WalkCorrection( ipmt, adc[ipmt], Float_t( timeCFD->At(ipmt))) ; | |
169 | ||
170 | Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt)); | |
171 | // time[ipmt] = fCalib-> WalkCorrection( ipmt, Int_t(sl), timeCFD[ipmt],"cosmic" ) ; | |
172 | AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ", | |
173 | ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl))); | |
174 | Double_t ampMip =((TGraph*)fAmpLED.At(ipmt))->Eval(sl); | |
175 | Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]); | |
176 | AliDebug(10,Form(" Amlitude in MIPS LED %f , QTC %f in channels %i\n ",ampMip,qtMip, adc[ipmt])); | |
177 | ||
178 | frecpoints->SetTime(ipmt, Float_t(time[ipmt]) ); | |
179 | frecpoints->SetAmp(ipmt, Float_t( ampMip)); //for cosmic &pp beam | |
180 | frecpoints->SetAmpLED(ipmt, Float_t(qtMip)); | |
181 | ||
dc7ca31d | 182 | } |
183 | else { | |
184 | time[ipmt] = 0; | |
185 | adc[ipmt] = 0; | |
186 | } | |
187 | } | |
94c27e4f | 188 | |
dc7ca31d | 189 | for (Int_t ipmt=0; ipmt<12; ipmt++){ |
190 | if(time[ipmt] > 1 ) { | |
c41ceaac | 191 | if(time[ipmt]<besttimeC){ |
192 | besttimeC=time[ipmt]; //timeC | |
193 | pmtBestC=ipmt; | |
dc7ca31d | 194 | } |
195 | } | |
196 | } | |
197 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ | |
198 | if(time[ipmt] > 1) { | |
c41ceaac | 199 | if(time[ipmt]<besttimeA) { |
200 | besttimeA=time[ipmt]; //timeA | |
201 | pmtBestA=ipmt;} | |
dc7ca31d | 202 | } |
203 | } | |
c41ceaac | 204 | if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA)); |
205 | if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC)); | |
d0bcd1fb | 206 | AliDebug(10,Form(" besttimeA %f ch, besttimeC %f ch",besttimeA, besttimeC)); |
dc7ca31d | 207 | Float_t c = 0.0299792; // cm/ps |
208 | Float_t vertex = 0; | |
c41ceaac | 209 | if(besttimeA !=999999 && besttimeC != 999999 ){ |
12e9daf9 | 210 | timeDiff = (besttimeC - besttimeA)*channelWidth; |
d0bcd1fb | 211 | meanTime = Float_t((besttimeA + besttimeC)/2);// * channelWidth); |
12e9daf9 | 212 | // meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth; |
d0bcd1fb | 213 | vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2; |
dc7ca31d | 214 | frecpoints->SetVertex(vertex); |
215 | frecpoints->SetMeanTime(Int_t(meanTime)); | |
446d6ec4 | 216 | //online mean |
d0bcd1fb | 217 | frecpoints->SetOnlineMean(Int_t(onlineMean)); |
218 | AliDebug(10,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm online mean %i ps",timeDiff, meanTime,vertex, Int_t(onlineMean))); | |
dc7ca31d | 219 | |
220 | } | |
b95e8d87 | 221 | |
dc7ca31d | 222 | clustersTree->Fill(); |
bd375212 | 223 | |
224 | delete timeCFD; | |
225 | delete timeLED; | |
226 | delete chargeQT0; | |
227 | delete chargeQT1; | |
dc7ca31d | 228 | } |
229 | ||
230 | ||
c41ceaac | 231 | //_______________________________________________________________________ |
232 | ||
233 | void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const | |
234 | { | |
94c27e4f | 235 | // T0 raw -> |
236 | // T0RecPoint writing | |
237 | ||
238 | //Q->T-> coefficients !!!! should be measured!!! | |
e8ed1cd0 | 239 | Int_t allData[110][5]; |
2e6a5ee0 | 240 | |
e8ed1cd0 | 241 | Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24]; |
aaa0a98f | 242 | TString option = GetOption(); |
d0bcd1fb | 243 | AliDebug(1,Form("Option: %s\n", option.Data())); |
2e6a5ee0 | 244 | |
2e6a5ee0 | 245 | |
bce12dc5 | 246 | for (Int_t i0=0; i0<105; i0++) |
247 | { | |
248 | for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0; | |
249 | } | |
2e6a5ee0 | 250 | |
bce12dc5 | 251 | Float_t besttimeA=9999999; |
252 | Float_t besttimeC=9999999; | |
253 | Int_t pmtBestA=99999; | |
254 | Int_t pmtBestC=99999; | |
255 | Float_t timeDiff=9999999, meanTime=0; | |
256 | Double_t qt=0; | |
d0bcd1fb | 257 | // Int_t mv2MIP = fParam-> GetmV2Mip(); |
b95e8d87 | 258 | Float_t meanVertex = fParam->GetMeanVertex(); |
d0bcd1fb | 259 | printf("meanVertex %f \n",meanVertex); |
b95e8d87 | 260 | // UInt_t type =rawReader->GetType(); |
bce12dc5 | 261 | |
262 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
263 | ||
264 | recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
2e6a5ee0 | 265 | |
266 | ||
bce12dc5 | 267 | AliDebug(10," before read data "); |
268 | AliT0RawReader myrawreader(rawReader); | |
269 | if (!myrawreader.Next()) | |
270 | AliDebug(1,Form(" no raw data found!!")); | |
271 | else | |
272 | { | |
273 | for (Int_t i=0; i<105; i++) { | |
274 | for (Int_t iHit=0; iHit<5; iHit++) | |
275 | { | |
276 | allData[i][iHit] = myrawreader.GetData(i,iHit); | |
277 | } | |
278 | } | |
279 | ||
280 | Float_t channelWidth = fParam->GetChannelWidth() ; | |
281 | ||
282 | // Int_t meanT0 = fParam->GetMeanT0(); | |
d0bcd1fb | 283 | |
bce12dc5 | 284 | |
285 | for (Int_t in=0; in<12; in++) | |
286 | { | |
287 | timeCFD[in] = allData[in+1][0] ; | |
288 | timeCFD[in+12] = allData[in+56+1][0] ; | |
289 | timeLED[in] = allData[in+12+1][0] ; | |
290 | timeLED[in+12] = allData[in+68+1][0] ; | |
d0bcd1fb | 291 | AliDebug(10, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ", |
292 | in, timeCFD[in],timeCFD[in+12],timeLED[in], | |
293 | timeLED[in+12])); | |
bce12dc5 | 294 | } |
295 | ||
296 | for (Int_t in=0; in<12; in++) | |
297 | { | |
d0bcd1fb | 298 | chargeQT0[in]=allData[2*in+25][0]; |
299 | chargeQT1[in]=allData[2*in+26][0]; | |
bce12dc5 | 300 | } |
301 | ||
302 | for (Int_t in=12; in<24; in++) | |
303 | { | |
d0bcd1fb | 304 | chargeQT0[in]=allData[2*in+57][0]; |
305 | chargeQT1[in]=allData[2*in+58][0]; | |
bce12dc5 | 306 | } |
307 | ||
d0bcd1fb | 308 | // } //cosmic with physics event |
2e6a5ee0 | 309 | for (Int_t in=0; in<24; in++) |
c883fdf2 | 310 | AliDebug(10, Form(" readed Raw %i %i %i %i %i", |
311 | in, timeLED[in],timeCFD[in],chargeQT0[in],chargeQT1[in])); | |
446d6ec4 | 312 | Int_t onlineMean = allData[49][0]; |
2e6a5ee0 | 313 | |
12e9daf9 | 314 | Float_t time[24], adc[24]; |
2e6a5ee0 | 315 | for (Int_t ipmt=0; ipmt<24; ipmt++) { |
316 | if(timeCFD[ipmt]>0 && timeLED[ipmt]>0){ | |
bce12dc5 | 317 | //for simulated data |
d0bcd1fb | 318 | //for physics data |
319 | if(( chargeQT1[ipmt] - chargeQT0[ipmt])>0) | |
320 | adc[ipmt] = chargeQT1[ipmt] - chargeQT0[ipmt]; | |
321 | else | |
322 | adc[ipmt] = 0; | |
bce12dc5 | 323 | |
d0bcd1fb | 324 | time[ipmt] = fCalib-> WalkCorrection( ipmt, adc[ipmt], timeCFD[ipmt],"cosmic" ) ; |
bce12dc5 | 325 | |
d0bcd1fb | 326 | Double_t sl = timeLED[ipmt] - timeCFD[ipmt]; |
327 | // time[ipmt] = fCalib-> WalkCorrection( ipmt, Int_t(sl), timeCFD[ipmt],"cosmic" ) ; | |
328 | AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ", | |
329 | ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl))); | |
330 | Double_t ampMip =( (TGraph*)fAmpLED.At(ipmt))->Eval(sl); | |
331 | Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]); | |
332 | AliDebug(10,Form(" Amlitude in MIPS LED %f ; QTC %f; in channels %i\n ",ampMip,qtMip, adc[ipmt])); | |
bce12dc5 | 333 | |
d0bcd1fb | 334 | frecpoints->SetTime(ipmt, Float_t(time[ipmt]) ); |
335 | frecpoints->SetAmp(ipmt, Float_t( ampMip)); //for cosmic &pp beam | |
336 | frecpoints->SetAmpLED(ipmt, Float_t(qtMip)); | |
bce12dc5 | 337 | |
2e6a5ee0 | 338 | } |
339 | else { | |
340 | time[ipmt] = 0; | |
341 | adc[ipmt] = 0; | |
342 | } | |
343 | } | |
344 | ||
345 | for (Int_t ipmt=0; ipmt<12; ipmt++){ | |
346 | if(time[ipmt] > 1 ) { | |
347 | if(time[ipmt]<besttimeC){ | |
348 | besttimeC=time[ipmt]; //timeC | |
349 | pmtBestC=ipmt; | |
350 | } | |
351 | } | |
352 | } | |
353 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ | |
354 | if(time[ipmt] > 1) { | |
355 | if(time[ipmt]<besttimeA) { | |
356 | besttimeA=time[ipmt]; //timeA | |
357 | pmtBestA=ipmt;} | |
358 | } | |
359 | } | |
360 | if(besttimeA !=9999999) frecpoints->SetTimeBestA(Int_t(besttimeA)); | |
361 | if( besttimeC != 9999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC)); | |
d0bcd1fb | 362 | AliDebug(5,Form(" pmtA %i besttimeA %f ps, pmtC %i besttimeC %f ps", |
363 | pmtBestA,besttimeA, pmtBestC, besttimeC)); | |
364 | Float_t c = 0.0299792458; // cm/ps | |
2e6a5ee0 | 365 | Float_t vertex = 99999; |
366 | if(besttimeA <9999999 && besttimeC < 9999999 ){ | |
12e9daf9 | 367 | timeDiff = ( besttimeC - besttimeA) *channelWidth; |
d0bcd1fb | 368 | meanTime = Float_t((besttimeA + besttimeC)/2.); |
369 | onlineMean = onlineMean ; | |
370 | vertex = meanVertex - c*(timeDiff)/2.; //+ (fdZonA - fdZonC)/2; | |
2e6a5ee0 | 371 | frecpoints->SetVertex(vertex); |
372 | frecpoints->SetMeanTime(Int_t(meanTime)); | |
1d7681da | 373 | frecpoints->SetOnlineMean(Int_t(onlineMean)); |
d0bcd1fb | 374 | AliDebug(5,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm meanVertex %f online mean %i ",timeDiff, meanTime,vertex,meanVertex, onlineMean)); |
2e6a5ee0 | 375 | |
376 | } | |
bce12dc5 | 377 | } // if (else )raw data |
378 | recTree->Fill(); | |
379 | if(frecpoints) delete frecpoints; | |
c41ceaac | 380 | } |
bce12dc5 | 381 | |
382 | ||
c41ceaac | 383 | //____________________________________________________________ |
384 | ||
d76c31f4 | 385 | void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const |
dc7ca31d | 386 | { |
387 | ||
388 | /*************************************************** | |
389 | Resonstruct digits to vertex position | |
390 | ****************************************************/ | |
391 | ||
dc7ca31d | 392 | AliDebug(1,Form("Start FillESD T0")); |
393 | ||
d76c31f4 | 394 | TTree *treeR = clustersTree; |
dc7ca31d | 395 | |
396 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
397 | if (!frecpoints) { | |
398 | AliError("Reconstruct Fill ESD >> no recpoints found"); | |
399 | return; | |
400 | } | |
401 | ||
402 | AliDebug(1,Form("Start FillESD T0")); | |
403 | TBranch *brRec = treeR->GetBranch("T0"); | |
404 | if (brRec) { | |
405 | brRec->SetAddress(&frecpoints); | |
406 | }else{ | |
f16935f7 | 407 | AliError(Form("EXEC Branch T0 rec not found")); |
dc7ca31d | 408 | return; |
409 | } | |
410 | ||
411 | brRec->GetEntry(0); | |
f16935f7 | 412 | Float_t amp[24], time[24]; |
413 | Float_t zPosition = frecpoints -> GetVertex(); | |
414 | Float_t timeStart = frecpoints -> GetMeanTime() ; | |
415 | for ( Int_t i=0; i<24; i++) { | |
94c27e4f | 416 | time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns |
dc7ca31d | 417 | amp[i] = frecpoints -> GetAmp(i); |
418 | } | |
f16935f7 | 419 | pESD->SetT0zVertex(zPosition); //vertex Z position |
dc7ca31d | 420 | pESD->SetT0(timeStart); // interaction time |
421 | pESD->SetT0time(time); // best TOF on each PMT | |
422 | pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT | |
5325480c | 423 | |
f16935f7 | 424 | AliDebug(1,Form(" Z position %f cm, T0 %f ps",zPosition , timeStart)); |
dc7ca31d | 425 | |
dc7ca31d | 426 | } // vertex in 3 sigma |
427 | ||
428 | ||
429 | ||
430 | ||
431 | ||
432 |