#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int v[250005],gen[250005];
int t,n,a,b;
int main()
{
cin>>t;
for(int i=1;i<=t;i++)
{
cin>>n>>c>>d;
int num=0;
for(int j=1;j<=n*n;j++)
{
cin>>v[j];
}
sort(v+1,v+n*n+1);
gen[1]=v[1];
for(int j=2;j<=n;j++)
{
gen[j]=gen[j-1]+c;
}
for(int j=2;j<=n;j++)
{
for(int k=1;k<=n;k++)
{
gen[k+j*n-1]=gen[(j-1)*n+k-1]+d;
}
}
sort (gen+1,gen+n*n+1);
bool ok=1;
for(int i=1;i<=n*n;i++)
{
if(gen[i]!=v[i])
{
ok=0;
break;
}
}
if(ok==1)
{
cout<<"yes"<<"\n";
}
else
{
cout<<"no"<<"\n";
}
}
}
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