#include<stdio.h>
int main(){
    int n,i,j,k;
    scanf("%d",&n);
    if(n<0){
        printf("Invalid input");
        return 0;
    }
    int mid=n/2;
//upper half
    for(i=0;i<=mid;i++){
        for(j=0;j<mid-i;j++)
        printf(" ");
    
    for(k=1;k<=2*i+1;k++)
        printf("%d",k);
        
    printf("\n");    
    }
//lower half
    for(i=mid-1;i>=0;i--){
        for(j=0;j<mid-i;j++)
        print(" ");
    for(k=1;k<=2*i+1;k++)
    printf("%d",k);
    }        
    return 0;
}