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#include <fstream>
using namespace std;
ifstream fin("tablete.in");
ofstream fout("tablete.out");
int n,i,k,j,x,m[1002][1002];
int main()
{
fin>>n>>k;
for(i=1;i<=n;i++){
for(j=1;j<k;j++){
if(m[i][j]==0)
m[i][j]=++x;
}
if(x%2==1)
m[i][k]=++x;
else{
m[i+1][1]=++x;
m[i][k]=++x;
}
}
if(m[n+1][1]){
m[1][k+1]=m[n+1][1];
for(i=2;i<=n;i++)
m[i][k+1]=++x;
for(j=k+2;j<=n;j++)
for(i=1;i<=n;i++)
m[i][j]=++x;
}
else {
for(i=1;i<=n;i++)
for(j=k+1;j<=n;j++)
m[i][j]=++x;
}
for(i=1;i<=n;i++){
for(j=1;j<=n;j++)
fout<<m[i][j]<<" ";
fout<<"\n";
}
return 0;
}