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

(1...n).each {|i|
  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(" ")
}