n = gets.to_i
a = gets.split.map(&:to_i)
puts a.join(' ')

(1..n-1).each do |i|
  v = a[i]
  j = i - 1
  while j >= 0 and a[j] > v do
    a[j+1] = a[j]
    j -= 1
  end
  a[j+1] = v
  puts a.join(' ')
end

