#include<iostream>
#include<cstdio>

using namespace std;

int a[1001][1001];
int main()
{
    FILE *fin, *fout;
    fin=fopen("tablete.in", "r");
    fout=fopen("tablete.out", "w");

    int n, k;
    fscanf(fin, "%d %d", &n, &k);
    int p=1;
    for(int i=1; i<=k-1; i++)
    {
        for(int j=1; j<=n; j++) {
            a[j][i]=p;
        p++;
        }
    }
    if((k-1)*n%2==0)
    p++;
    for(int i=1; i<=n; i++)
    {
        a[i][k]=p;
        p++;
        a[i][k+1]=p;
        p++;
    }
    if((k-1)*n%2==0)
        p--;
    for(int i=k+2; i<=n; i++)
    {
        for(int j=1; j<=n; j++)  {
            a[j][i]=p;
            p++;
        }
    }
    if((k-1)*n%2==0)
    {
        a[1][k]-=2;
        a[n][k-1]=a[1][k+1];
        a[1][k+1]-=2;

        if((k+2)<=n)
            a[1][k+2]=a[1][k+1]+1;
    }
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
        {
            fprintf(fout, "%d ", a[i][j]);
        }
        fprintf(fout, "\n");
    }
}