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#include <fstream>
#define N 1000
using namespace std;
int a[N+1][N+1];
ifstream cin("tablete.in");
ofstream cout("tablete.out");
int main(){
int n,k;
cin>>n>>k;
int l=0;
int c=0;
for(int i=1;i<=n;i++){
if (l!=0){
a[i][1]=l;
l=0;
}
else {
c++;
a[i][1]=c;
}
for(int j=2;j<k;j++)
a[i][j]=(++c);
if (c&1) a[i][k]=(++c);
else {
c+=2;
a[i][k]=c;
l=c-1;
}
for(int j=k+1;j<=n;j++)
a[i][j]=(++c);
}
if (l!=0){
for(int j=n;j>1;j--)
a[n][j]=a[n][j-1];
a[n][1]=a[n-1][n];
a[n-1][n]=l;
if (a[n][1]>a[n][2]) swap(a[n][1],a[n][2]);
}
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++)
cout<<a[i][j]<<' ';
cout<<endl;
}
return 0;
}