#include
#include
using namespace std;
int a[105][105],n,x,y;
int main(){
cin >> n;
x = 1;
y = n/2+1;
for(int i = 1; i <= n*n;i++){
a[x][y] = i;
if(x==1&&y!=n) {
x = n;
y = y+1;
}
else if(y==n&&x!=1){
y = 1;
x = x-1;
}
else if(x==1&&y==n){
x=x+1;
}
else if(x!=1&&y!=n){
if(a[x-1][y+1]==0){
x=x-1;
y=y+1;
}else{
x=x+1;
}
}
}
for(int i = 1;i<=n;i++){
for(int j = 1;j<=n;j++){
cout << a[i][j]<< " ";
}
cout << endl;
}
return 0;
}
