N = int(input())
ans = [[0]*N for _ in range(N)]
for i in range(N):
  ans[0][2*i%N] = i+1
for j in range(1,N):
  for i in range(N):
    ans[j][i] = ans[j-1][(i+1)%N]
for i in range(N):
  print(*ans[i])