import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n= scanner.nextInt();
        int m= scanner.nextInt();
        int[][] values=new int[n][n];
        int x=0,y=0;
        for (int i = 1; i <= n*n; i++) {
            values[x][y++]=i;
            if (y>=n){
                x++;
                y=0;
            }
        }
        print(values);
        reverse90(values,3,2,1);
        System.out.println();
        print(values);
    }
    
    public static void reverse90(int[][] arr,int x,int y,int r){
        int tempX=x+r,tempY=y-r;
        for (int i = x-r; i <=x+r ; i++) {
            for (int j = y-r; j <= y+r ; j++) {
                arr[i][j]=arr[tempX][tempY];
                tempX--;
            }
            tempX=x+r;
            tempY++;
        }      
    }

    public static void print(int[][] values){
        for (int i = 0; i < values.length; i++) {
            for (int j = 0; j < values[i].length; j++) {
                System.out.print(values[i][j]+" ");
            }
            System.out.println();
        }
    }
}