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#include<fstream>
using namespace std;
ifstream fin("grozavesti.in");
ofstream fout("grozavesti.out");
int n,i,j,k,nr,maxim,pmaxim,x,aux;
int v[301];
int main(){
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++){
fin>>x;
if(i==j){
nr++;
v[i]=x;
}
}
for(i=n;i>=2;i--){
maxim=v[1];
pmaxim=1;
for(j=2;j<=i;j++){
if(maxim<v[j]){
maxim=v[j];
pmaxim=j;
}
}
if(pmaxim!=i){
aux=v[pmaxim];
v[pmaxim]=v[i];
v[i]=aux;
v[++k]=i;
v[++k]=pmaxim;
}
}
fout<<nr<<"\n";
fout<<"C"<<" ";
for(i=1;i<=k;i++)
fout<<v[i]<<" ";
fout<<"\n"<<"L"<<" ";
for(i=1;i<=k;i++)
fout<<v[i]<<" ";
return 0;
}