#include<stdio.h>
#include<stdlib.h>
int main(){
    int n;
    scanf("%d",&n);
    if(n<0){
        printf("Invalid Input\n");
        return 0;
    }
    int size=2*n-1;
    if(n==0){
        return 0;
    }
    for(int i=0;i<size;i++){
        for((int j=0;j<size;j++){
            int val=n;
            int dist_top=i;
            int dist_left=j;
            int dist_bottom=size-1-i;
            int dist_right=size-1-j;
            int min_dist=dist_top;
            if(dist_left<min_dist)min_dist=dist_left;
            if(dist_right<min_dist)min_dist=dist_right;
            val=n-min_dist;
            printf("%d",val);
        }
        printf("\n");
    }
    return 0;
}