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#include<iostream>
#include<fstream>
#define MAX 1001
#define NMAX 1000000
using namespace std;
ifstream fin("tablete.in");
ofstream fout("tablete.out");
int v[NMAX];
int n,k;
int a[MAX][MAX];
void umpledr()
{ int x=n*n;
for(int i=n;i>=1;i--)
for(int j=n;j>k;j--)
a[i][j]=x--;
}
void umplest()
{
int x=1;
for(int i=1;i<=n;i++)
for(int j=1;j<k;j++)
{
if(v[x])x++;
a[i][j]=x++;
}
}
void umple(int cn)
{
for(int i=0;i<n;i++)
a[n-i][k]=cn-2*i,
v[a[n-i][k]]=1;
}
int main()
{
fin>>n>>k;
int cn;
cn=n*n-n*(n-k);
if(cn%2)cn++;
umple(cn);
umpledr();
umplest();
for(int i=1;i<=n;i++)
{for(int j=1;j<=n;j++)
fout<<a[i][j]<<" ";
fout<<'\n';}
return 0;
}