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#include <bits/stdc++.h>
using namespace std;
ifstream in("tablete.in");
ofstream out("tablete.out");
int mat[1005][1005];
int main()
{
int n,k,nr=0;
in>>n>>k;
for(int i=1;i<=n;i++)
for(int j=1;j<=k;j++)
mat[i][j]=++nr;
for(int i=1;i<=n;i++)
for(int j=k+1;j<=n;j++)
mat[i][j]=++nr;
if(k%2)
{
for(int i=2;i<=n;i+=2)
swap(mat[i][1],mat[i-1][k]);
if(n%2)
swap(mat[n][k],mat[1][k+1]);
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
out<<mat[i][j]<<" ";
out<<"\n";
}
return 0;
}