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#include <algorithm>
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using vpii = vector<pii>;
using vi = vector<int>;
using vll = vector<long long>;
using mpii = map<int, int>;
using mpll = map<ll, ll>;
using db = long double;
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define lb lower_bound
#define ub upper_bound
#define make_unique(x) \
sort(all((x))); \
(x).resize(unique(all((x))) - (x).begin())
#define ceil(a, b) ((a) + (b)-1) / (b)
const int mod = (int)1e9 + 7;
const db pi = acos((db)-1);
const int dx[4]{1, 0, -1, 0};
const int dy[4]{0, 1, 0, -1};
#ifdef LOCAL
#include "debug.h"
#else
#define dbg(...) 42
#endif
/* stuff you should look for:
---------------------------
* special cases (n=1?)
* int overflow, array bounds
* do smth instead of nothing and stay organized
* WRITE STUFF DOWN
* DON'T GET STUCK ON ONE APPROACH
*/
// 3 9 6
// 5 7 1
// 11 4 8
void solve() {
int n, c, d;
cin >> n >> c >> d;
vi v(n * n);
for (int i = 0; i < n * n; i++) {
cin >> v[i];
}
int mn = *min_element(all(v));
vi mat(n * n);
mat[0] = mn;
for (int i = 1; i < n * n; i++) {
if (i % n == 0) {
mat[i] = mat[i - n] + c;
} else {
mat[i] = mat[i - 1] + d;
}
}
sort(all(mat));
sort(all(v));
for (int i = 0; i < n * n; i++) {
if (v[i] != mat[i]) {
cout << "NO\n";
return;
}
}
cout << "YES\n";
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int tt;
cin >> tt;
while (tt--) {
solve();
}
}
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