#include <bits/stdc++.h> #define ll long long int #define ld long double using namespace std; void mainSolve() { ll n, m; cin >> n >> m; if (n <= m) { for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) cout << (1 + (n + 1)*i + j * (i + 1)) << " "; cout << endl; } } else { for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) cout << (1 + i + j * (m + i + 1)) << " "; cout << endl; } } } int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int t; cin >> t; while (t--) { mainSolve(); } return 0; }