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

puts a.join(" ")

for i in 1..(n-1)
  v = a[i]
  j = i - 1
  while j >= 0 && a[j] > v
    a[j + 1] = a[j]
    j -= 1
  end
  a[j + 1] = v
  puts a.join(" ")
end