n=int(input()) while n: a=[] s="" for i in range(n): s=s+" "*(n-i-1) for j in range(i+1): s=s+str(j+1) for r in range(i,0,-1): s=s+str(r) a.append(s) print(s) s="" for x in range(n-1): print(a[n-x-2]) n=int(input())