#include <stdio.h>

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