#include <iostream>
using namespace std;
typedef long long ll;
int main(){
    int t, n, m;
    cin >> t;
    while (t--){
        cin >> n >> m;
        if (m >= 2 * n) cout << "No\n";
        else{
            cout << "Yes\n";
            for (int i = 0; i < 2 * n; ++i){
                for (int j = 0; j < m; ++j) cout << (j + i) / 2  % n + 1 << " ";
                cout << "\n";
            }
        }
	}
}