local n = io.read("*n")
local rowrem = {}
local colrem = {}
for i = 1, n do
  rowrem[i] = {}
  colrem[i] = {}
  for j = 1, n do
    rowrem[i][j] = true
    colrem[i][j] = true
  end
end
local ret = {}
for i = 1, n do
  ret[i] = {}
  for j = 1, i - 1 do ret[i][j] = 0 end
  ret[i][i] = i
  rowrem[i][i] = false
  colrem[i][i] = false

  local cand = i
  for j = 1, i - 1 do
    while true do
      if rowrem[i][cand] and colrem[j][cand] then
        ret[i][j] = cand
        rowrem[i][cand] = false
        colrem[j][cand] = false
        rowrem[j][cand] = false
        colrem[i][cand] = false
        break
      end
      cand = cand + 1
      if n < cand then cand = cand - n end
    end
  end
end
for i = 1, n do
  for j = i + 1, n do
    ret[i][j] = ret[j][i]
  end
end
for i = 1, n do
  print(table.concat(ret[i], " "))
end