#include<stdio.h>
int main(){
    int n;
    scanf("%d",&n);
    if(n<0){
        printf("Invalid Input");
        return 0;
    }
    int mid=n/2;
    for(int i=0;i<=mid;i++){
        for(int s=0;s<mid-i;s++)
        printf("");
        for(int num =1;num<=2*i+1;num++
        printf("\n");
    }
    for(int i=mid-1;i>=0;i--){
        for(int s=0;s<mid-i;s++)
        printf(" ");
        for(int num=1;num<=2*i+1;num++)
        printf("%d",num);
        printf("\n");
    }
    return 0;
}