#include <fstream>

using namespace std;
ifstream fin("tablete.in");
ofstream fout("tablete.out");
int a[1001][1001];
int main()
{
    int n,k,i,j,nr,c;
    fin>>n>>k;
    nr=1;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            a[j][i]=nr;
            nr++;
        }
    }
    if(a[1][k]%2==1)
    {
        nr=3;
        c=a[1][k];
        a[1][k]=a[n][k-1];
        a[n][k-1]=c;
    }
    else
    {
        nr=4;
        c=a[2][k];
        a[2][k]=a[n-1][k-1];
        a[n-1][k-1]=c;
    }
    for(i=nr;i<=n;i=i+2)
    {
        c=a[i][k];
        a[i][k]=a[i-((n%2)+1)][k+1];
        a[i-((n%2)+1)][k+1]=c;
    }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            fout<<a[i][j]<<" ";
        }
        fout<<'\n';
    }
    fin.close();
    fout.close();
    return 0;
}