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* |
* |
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************************************************************************* |
************************************************************************* |
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subroutine cncomp(i,j) !(view, VA1) |
subroutine cncomp(i,j,errflag) !(view, VA1) |
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include 'commontracker.f' |
include 'commontracker.f' |
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include 'common_reduction.f' |
include 'common_reduction.f' |
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include 'calib.f' |
include 'calib.f' |
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integer errflag !error flag to mark no signal free VA1 |
integer errflag !error flag to mark no signal free VA1 |
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integer clstr_old(nstrips_va1) !flag storage vector |
integer clstr_old(nstrips_va1) !flag storage vector |
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real signal(nstrips_va1) !"signal" (=adc-ped) value storage vector |
real signal(nstrips_va1) !"signal" (=adc-ped) value storage vector |
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real smean, ssigma !"signal" mean and sigma |
real smean, ssigma !"signal" mean and sigma |
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real cut !"strange" strip exclusion cut |
real cut !"strange" strip exclusion cut |
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integer newclstr !flag to warn about new found clusters to be |
integer newclstr !flag to warn about new found clusters to be |
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! excluded from common noise computation |
c ! excluded from common noise computation |
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c call HBOOK1(20000+100*i+j,' ',30,0.,30.,0.) !??? |
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c------------------------------------------------------------------------ |
c------------------------------------------------------------------------ |
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c |
c |
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c variables initialization |
c variables initialization |
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c |
c |
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c------------------------------------------------------------------------ |
c------------------------------------------------------------------------ |
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do k=1,nstrips_va1 !loops on strips |
do k=1,nstrips_va1 !loops on strips |
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clstr(i,j,k)=1 !initializes signal affected strips flag |
clstr(i,j,k)=1 !initializes signal affected strips flag |
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enddo ! affected strips flag |
enddo ! affected strips flag |
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newclstr=1 !flag to warn about new found signal |
newclstr=1 !flag to warn about new found signal |
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! affected strips |
c ! affected strips |
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c------------------------------------------------------------------------ |
c------------------------------------------------------------------------ |
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c |
c |
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c high or low signal affected strips exclusion: computes "signal" (=adc-ped) |
c high or low signal affected strips exclusion: computes "signal" (=adc-ped) |
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c mean value and sigma, and cuts from common noise computation strips |
c mean value and sigma, and cuts from common noise computation strips |
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c whose ABS(signal) exceeds scut*sigma |
c whose ABS(signal) exceeds scut*sigma |
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c |
c |
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c------------------------------------------------------------------------ |
c------------------------------------------------------------------------ |
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countme=0 !??? |
countme=0 !??? |
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666 continue !??? |
666 continue !??? |
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nstr=0 |
nstr=0 |
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do k=1,nstrips_va1 |
do k=1,nstrips_va1 |
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nstr=nstr+strange(i,j,k) !uses only |
nstr = nstr + strange(i,j,k) !uses only |
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if(mod(i,2).eq.1) then !odd strip ---> Y view |
if(mod(i,2).eq.1) then !odd strip ---> Y view |
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signal(k)= - (DBLE(adc(i,j,k))-pedestal(i,j,k)) !negative signal |
signal(k) = - (DBLE(adc(i,j,k)) - pedestal(i,j,k)) !negative signal |
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else !even strip ---> X view |
else !even strip ---> X view |
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signal(k)= DBLE(adc(i,j,k))-pedestal(i,j,k) !positive signal |
signal(k) = DBLE(adc(i,j,k)) - pedestal(i,j,k) !positive signal |
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endif |
endif |
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smean = smean + signal(k)*strange(i,j,k) |
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smean=smean+signal(k)*strange(i,j,k) |
ssigma = ssigma + (signal(k)**2)*strange(i,j,k) |
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ssigma=ssigma+(signal(k)**2)*strange(i,j,k) |
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c call HFILL(10000+100*i+j,signal(k),0.,1.) !??? |
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enddo |
enddo |
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smean=smean/nstr !strips value distribution mean |
smean=smean/nstr !strips value distribution mean |
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cut=scut*ssigma !exclusion cut |
cut=scut*ssigma !exclusion cut |
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nco=0 |
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nbo=0 |
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do k=1,nstrips_va1 |
do k=1,nstrips_va1 |
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c call HFILL(20000+100*i+j,ABS(signal(k)-smean)/ssigma,0.,1.) !??? |
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if(ABS(signal(k)-smean).gt.cut) then |
if(ABS(signal(k)-smean).gt.cut) then |
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c print*,i,j,k,signal(k),abs(signal(k)),cut,strange(i,j,k) !??? |
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strange(i,j,k)=0 !marks strips exceeding cut |
strange(i,j,k)=0 !marks strips exceeding cut |
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c print*,i,j,k,signal(k),smean |
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endif |
endif |
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nco=nco+strange(i,j,k) |
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nbo=nbo+bad(i,j,k) |
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enddo ! in order not to use them in CN computation |
enddo ! in order not to use them in CN computation |
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c$$$ if(i.eq.12.and.(j.eq.2.or.j.eq.3))then |
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c$$$ print*,'view ',i,' vk ',j |
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c$$$ print*,'ADC (1-51-128) = ',adc(i,j,1),adc(i,j,52),adc(i,j,128) |
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c$$$ print*,'<ADC-PED> = ',smean |
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c$$$ print*,'s = ',ssigma |
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c$$$ print*,'nstrange = ',128-nco |
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c$$$ print*,'nbad = ',128-nbo |
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c$$$ endif |
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countme=countme+1 !??? |
countme = countme + 1 !??? |
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if (countme.le.3) goto 666 !??? |
if (countme.le.3) goto 666 !??? |
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c------------------------------------------------------------------------ |
c------------------------------------------------------------------------ |
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c |
c |
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c common noise computation |
c common noise computation |
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c |
c |
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c------------------------------------------------------------------------ |
c----------------------------------------------------------------------- |
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do while(newclstr.eq.1) !loops on this VA1 till no new signal |
* loops on this VA1 till no new signal affected strips are found |
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! affected strips are found |
do while(newclstr.eq.1) |
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newclstr=0 !to exit from loop if no new cluster is |
newclstr=0 !to exit from loop if no new cluster is found |
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! found |
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errflag=0 |
errflag=0 |
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call cnoise(i,j,errflag) !(view, VA1, error flag) computes cn |
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call cnoise(i,j,errflag) !(view, VA1, error flag) computes common |
if(errflag.eq.1) goto 10 !goes to next VA1: this one has no signal-free strips... |
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! noise |
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c print*,cn(i,j) !??? |
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if(errflag.eq.1) goto 10 !goes to next VA1: this one has no signal |
call cutcn(i,j) !(view, VA1) excludes clusters from cn computation |
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! free strips... |
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call cutcn(i,j) !(view, VA1) excludes clusters from |
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! common noise calculation |
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ncs=0 !initializes number of strips not excluded by cncut |
ncs=0 !initializes number of strips not excluded by cncut |
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do k=1,nstrips_va1 !loops on strips |
do k=1,nstrips_va1 !loops on strips |
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if(clstr(i,j,k).ne.clstr_old(k)) then !checks if there are |
* checks if there are new found clusters, and if so sets |
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! new found clusters, and if so sets |
if(clstr(i,j,k).ne.clstr_old(k)) then |
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newclstr=1 ! newclstr flag = 1 |
newclstr=1 |
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clstr_old(k)=clstr(i,j,k) |
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clstr_old(k)=clstr(i,j,k) !stores cluster flags in |
endif |
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endif ! clstr_old variable |
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iok=strange(i,j,k)*bad(i,j,k)*clstr(i,j,k) |
iok=strange(i,j,k)*bad(i,j,k)*clstr(i,j,k) |
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ncs=ncs+iok !counts number of good strips for cn computation |
ncs=ncs+iok !counts number of good strips for cn computation |
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enddo |
enddo |
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enddo !ends do while loop when there are no new |
enddo !ends do while |
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! clusters |
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c call HFILL(666,FLOAT(ncs),0.,1.) !??? |
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c$$$ if(ncs.lt.20) then !warns if too many strips have been excluded from CN |
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c$$$ ! computation |
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c$$$ print*,'cncomp: WARNING, LESS THAN 20 STRIPS PASSED CN CUT' |
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c$$$ $ //' ON VA1 ',j,', VIEW ',i !NB questo errore e' "un po'" in conflitto |
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c$$$ ! con quello che setta errflag (vedi cnoise.f)... |
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c$$$ |
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c$$$ endif |
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10 continue |
10 continue |
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ncn=0 !number of strips in cn computation |
ncn=0 !number of strips in cn computation |
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cn(i,j)=0 !initializes cn variable |
cn(i,j)=0 !initializes cn variable |
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cnflag(i,j)=0 !initialize cn flag OK |
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do k=1,nstrips_va1 !loops on strips |
do k=1,nstrips_va1 !loops on strips |
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iok=strange(i,j,k)*bad(i,j,k)*clstr(i,j,k) !flag to mark strange, bad |
* tags strange, bad or signal-affected strips |
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! or signal affected strips |
iok = strange(i,j,k)*bad(i,j,k)*clstr(i,j,k) |
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ccc print*,i,j,k,strange(i,j,k),bad(i,j,k),clstr(i,j,k),iok !??? |
cn(i,j) = cn(i,j) + (DBLE(adc(i,j,k)) - pedestal(i,j,k))*iok |
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cn(i,j)=cn(i,j) + (DBLE(adc(i,j,k)) - pedestal(i,j,k))*iok !sums ADC-PED |
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! values to compute common noise |
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ncn = ncn + iok !counts number of strips in cn computation |
ncn = ncn + iok !counts number of strips in cn computation |
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enddo |
enddo |
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ccc print*,'ncn= ',ncn |
if(ncn.lt.NSTRIPMIN) then !no signal free strips on this VA1... |
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if(ncn.eq.0) then !no signal free strips on this VA1... |
if(ncn.eq.0)then |
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print*,'cnoise: WARNING, NO SIGNAL FREE STRIPS ON VA1 ',j, |
if(debug)print*,' WARNING - cnoise: ', |
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$ ', VIEW ',i |
$ 'no strips for CN computation on VA1 ',j, |
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$ ', VIEW ',i,' >>> FAILED ' |
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else |
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if(debug)print*,' WARNING - cnoise: ', |
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$ 'less than ',NSTRIPMIN |
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$ ,' strips for CN computation on VA1 ',j, |
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$ ', VIEW ',i,' >>> FAILED ' |
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endif |
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gulp=1 |
gulp=1 |
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cnflag(i,j) = -1 |
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else |
else |
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cn(i,j)=cn(i,j)/DBLE(ncn) !computes common noise |
cn(i,j)=cn(i,j)/DBLE(ncn) !<<<< computes common noise |
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gulp=0 !resets error flag |
if(ncn.lt.NSTRIPWARNING) then |
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if(debug)print*,' WARNING - cnoise: ', |
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$ 'less than ',NSTRIPWARNING |
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$ ,' strips for CN computation on VA1 ',j, |
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$ ', VIEW ',i |
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cnflag(i,j) = 1 |
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endif |
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gulp=0 |
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endif |
endif |
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return |
return |
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