from sys import argv
n = int(argv[1])
for i in range(1, n+1):
    for j in range((n-i)/2):
        print  " ",
    for k in range(i):
        print i,
    print

        1
      2 2
      3 3 3
    4 4 4 4
    5 5 5 5 5
  6 6 6 6 6 6
  7 7 7 7 7 7 7
8 8 8 8 8 8 8 8
9 9 9 9 9 9 9 9 9