{
    int n, m;
    cin >> n >> m;
    int count = 0;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cout << setw(4) << ++count;
            int new_line = 0;
            int k = j;
            while (k - 1 >= 0 && new_line + 1 < n) {
                cout << endl << setw(4 * j) << ++count;
                k--;
                new_line++;
            }
        }
        cout << endl;
    }
    return 0;
}