//goo.gl/WMVcCM
#include <iostream>
#include <iomanip>
using namespace std;

int main()
{
    int n, m;
    cin >> n >> m;
    int arr[100][100];
    int count = 0;
    int k = 0;
    for ( ; ;) {
        //вправо
        for (int i = k; i <= i; i++) {
            for (int j = k; j < m - k; j++) {
                    arr[i][j] = ++count;
                    if (count >= n * m) {
                        break;
                    }
            }
            break;
        }
        if (count >= n * m) {
            break;
        }
        //вниз
        for (int j = m - 1 - k; j <= m - 1 - k; j++) {
            for (int i = k + 1; i < n - 1 - k; i++) {
                    arr[i][j] = ++count;
                    if (count >= n * m) {
                        break;
                    }
            }
            break;
        }
        if (count >= n * m) {
            break;
        }
        //влево
        for (int i = n - 1 - k; i <= n - 1 - k; i++) {
            for (int j = m - 1 - k; j > k; j--) {
                    arr[i][j] = ++count;
                    if (count >= n * m) {
                        break;
                    }
                }
            break;
        }
        if (count >= n * m) {
            break;
        }
        //вверх
        for (int j = k; j >= k; j++) {
            for (int i = n - 1 - k; i > k; i--) {
                arr[i][j] = ++count;
                if (count >= n * m) {
                    break;
                }
            }
            break;
        }
        if (count >= n * m) {
            break;
        }
        k++;
    }
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cout << setw(4) << arr[i][j];
        }
        cout << endl;
    }
    return 0;
}