n = gets.to_i
arr = Array.new(n){Array.new(n,0)}
n.times do |i|
  (i+1).times do |j|
    arr[i][j] += 1
  end
end
(n/2).times do |i|
  n.times do |j|
    arr[n-1-i][j] += 1
  end
end
arr.each do |ar|
  puts ar.join("")
end