#include <bits/stdc++.h>
#include <atcoder/modint>
using namespace std;
using namespace atcoder;

using mint = modint;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int t; cin >> t;
    while (t--) {
        int n, p; cin >> n >> p;
        mint::set_mod(p);
        vector a(n, vector<mint>(n));
        vector<int> row(n), col(n);
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < n; j++) {
                int u; cin >> u;
                row[i] += (u == -1);
                col[j] += (u == -1);
                a[i][j] = u;
            }
        }
        int mir = *min_element(row.begin(), row.end()),
            mxr = *max_element(row.begin(), row.end()),
            mic = *min_element(col.begin(), col.end()),
            mxc = *max_element(col.begin(), col.end());
        if (mir == 0 && mxr == 0) {
            mint ans = 1;
            for (int i = 0; i < n; i++) {
                for (int j = i; j < n; j++) {
                    if (a[j][i] != 0) {
                        swap(a[i], a[j]);
                        break;
                    }
                }
                if ((ans *= a[i][i]) == 0) {
                    break;
                }
                for (int j = i + 1; j < n; j++) {
                    mint d = a[j][i] / a[i][i];
                    for (int k = i; k < n; i++) {
                        a[j][k] -= a[i][k] * d;
                    }
                }
            }
            cout << ans.val() << '\n';
        } else if (mir == 1 && mxr == 1 && mic == 1 && mxc == 1 && p == 2) {
            cout << "1\n";
        } else {
            cout << "0\n";
        }
    }
}