#include <bits/stdc++.h>
using ll = long long;
using namespace std;
const int N = 2e5;
ll n, m, ans;
ll a[51][51], qz[51][51];
void solve() {
    cin >> n >> m;
    if (m == 3 || m == 4) {
        cout << "Yes\n";
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= m; j++) {
                if (j == 1 || j == m || j == m / 2) {
                    cout << 1 << ' ';
                } else {
                    cout << 0 << ' ';
                }
            }
            cout << '\n';
        }
    } else if (m == 7) {
        cout << "Yes\n";
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= m; j++) {
                if (j == 1 || j == m || j == 2) {
                    cout << 1 << ' ';
                } else {
                    cout << 0 << ' ';
                }
            }
            cout << '\n';
        }
    } else {
        cout << "No\n";
    }
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    int _ = 1;
    cin >> _;

    while (_--) {
        solve();
    }

    return 0;
}