no = gets.to_i

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

puts a.join(' ')
(1..no-1).each do |i|
    key = a[i]
    j = i - 1
    while j >= 0 and a[j] > key
        a[j+1] = a[j]
        j -= 1
    end
    a[j+1] = key
    puts a.join(' ')
end