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#include <iostream>
#include <fstream>
using namespace std;
int a[1001][1001],n,k,nr,uv;
int main()
{
ifstream f("tablete.in");
ofstream g("tablete.out");
nr=1;
f>>n>>k;
if(k%2==0)
{
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
{
a[i][j]=nr;
nr++;
}
for(int i=1; i<=n; i++)
{
for(int j=1; j<=n; j++)
g<<a[i][j]<<" ";
g<<endl;
}
}
else
{
uv=0;
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
{
if(j==1 && uv!=0)
{
a[i][j]=uv;
uv=0;
}
else if(j!=k)
{
a[i][j]=nr;
nr++;
}
else if(j==k && nr%2==0)
{
a[i][j]=nr;
nr++;
}
else if(j==k && nr%2==1)
{
uv=nr;
nr++;
a[i][j]=nr;
nr++;
}
}
for(int i=1; i<=n; i++)
{
for(int j=1; j<=n; j++)
g<<a[i][j]<<" ";
g<<endl;
}
}
return 0;
}