#include <stdio.h>
int main ()
{ int n;
scanf("%d\n",&n);
for(int i=1;i<=n;i++){
for(int j=1;j<i;j++)printf(" ");
for(int k=1;k<=2*n-2*i+1;k++)printf("%d",n-i+1);
printf("\n");
}
for(int i=1;i<=n-1;i++){
for(int j=1;j<=n-i-1;j++)printf(" ");
for(int k=1;k<=2*i+1;k++)printf("%d",i+1);
printf("\n");
}
return 0;
}