#include <stdio.h>
#include <stdlib.h>
int a[1001][1001],v[1000001];
int main()
{
    int n,k,i,j,c;
    freopen("tablete.in","r",stdin);
    freopen("tablete.out","w",stdout);
    scanf("%d%d",&n,&k);
    if(k%2==0)
        for(i=1; i<=n; i++){
            for(j=1; j<=n; j++)
                printf("%d ",(i-1)*n+j);
            printf("\n");
        }
    else
    {
        c=k+1;
        for(j=k; j<=n; j++,c++)
            a[1][j]=c;
        for(i=2; i<=n-1; i++)
            for(j=1; j<=n; j++,c++)
                a[i][j]=c;
        c--;
        a[n-1][n]=n*n;
        for(j=2; j<=n; j++,c++)
            a[n][j]=c;
        a[n][1]=k;
        for(j=1; j<k; j++)
            a[1][j]=j;
        for(i=1; i<=n; i++){
            for(j=1; j<=n; j++)
                printf("%d ",a[i][j]);
            printf("\n");
        }
    }

    return 0;
}