#include<stdio.h>
int main() {
    int n;
    scanf("%d", &n);
    if (n < 0) {
        printf("Invalid Input");
        return 0;
    }
    int size = 2 * n - 1;
    int center = n - 1;
    for (int i = 0; i < size; i++) {
        for (int j = 0; j < size; j++) {
            int val = n - ( ( abs(i - center) > abs(j - center)) ? abs(i - center) : abs(j - center));
            printf("%d", val);
        }
        printf("\n");
    }
    return 0;
}