import java.io.*;
import java.util.*;
public class Main{
    public static void main(String args[])throws IOException{
        BufferedReader r=new BufferedReader(new InputStreamReader(System.in));
        String s[]=r.readLine().split(" ");
        int n=Integer.parseInt(s[0]);
        int m=Integer.parseInt(s[1]);
        //left、right|up、down 分别为左边界、有边界、上边界、下边界
        int left=0;
        int right=m-1;
        int up=0;
        int down=n-1;
        //Hang、Lie 分别为起始点的横纵坐标
        int Hang=0;
        int Lie=0;

        int[][] arr=new int[n][m];
        int idx=1;
        while(true){
            //1.往右走
            while(left<=right && Lie<=right){
                arr[Hang][Lie++]=idx++;

            }
            Lie--;
            Hang++;
            up++;
            if(up>down)
                break;
            //2.往下走
            while(up<=down && Hang<=down){
                arr[Hang++][Lie]=idx++;
            }
            Hang--;
            Lie--;
            right--;
            if(left>right)
                break;
            //3.往左走
            while(left<=right && Lie>=left){
                arr[Hang][Lie--]=idx++;
            }
            Lie++;
            Hang--;
            down--;
            if(up>down)
                break;
            //4.往上走
            while(up<=down && Hang>=up){
                arr[Hang--][Lie]=idx++;
            }
            Hang++;
            Lie++;
            left++;
            if(left>right)
                break;


        }

        for(int i=0;i<n;i++){
            for(int j=0;j<m;j++)
                System.out.print(arr[i][j]+" ");
            System.out.println();
        }

    }
}