#include
using namespace std;
int main() {
int Number,column;
cin>>Number;
for(int row=1;row<=Number;row++)
{
for(column=1;column<=row;column++)
{
cout<<column<<" ";
}
for(int space=1;space<=(2*Number-
(2*row))-1;space++)
{
cout<<" ";
}
column=column-1;
if(row==Number)
{
column=column-1;
while(column>=1)
{
cout<<column<<" ";
column--;
}
}
else
{
while(column>=1)
{
cout<<column<<" ";
column--;
}
cout<<endl;
}
}
return 0;
}