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#include <iostream>
#include <fstream>
#define NMAX 1000
using namespace std;
ifstream f("tablete.in");
ofstream g("tablete.out");
int n,k,rez[NMAX+1][NMAX+1];
int main(){
f>>n>>k;
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
rez[i][j]=(j-1)*n+i;
}
}
for(int i=1;i<=n;i++){
rez[i][k-1]=(k-2)*n+i*2-1;
rez[i][k]=(k-2)*n+i*2;
}
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
g<<rez[i][j]<<' ';
}
g<<'\n';
}
f.close();
g.close();
}