URI ONLINE JUDGE 1478

URI ONLINE JUDGE 1478

#include <stdio.h>
 
int main(void) {
	// URI ONLINE JUDGE 1478
 
	int x, n, i, j,k, y,a;
	for (;;)
	{
		scanf("%d", &n);
		if (n == 0)break;
		for (i = 1;i <= n;i++)
		{
			x = i;
			k = i;
			for (j = 1;j <= n;j++)
			{
				y = j;
				if (x > y)
				{
					printf("%3d ", k);
					k--;
				}
				else if (i == y)
				{
					a = 1;
					printf("%3d ", a);
				}
				else if (x < y)
				{
					a++;
					printf("%3d ", a);
				}
			}
			printf("\n");
		}
		printf("\n");
	}
	return 0;
}