n = gets.to_i
cards = gets.chomp.split(" ").map(&:to_i)

puts cards.join(" ")

for i in 1..n - 1
    card = cards[i]
    j = i - 1
    while (j >= 0) && cards[j] > card
        cards[j + 1] = cards[j]
        j -= 1
        cards[j + 1] = card

    end
    puts cards.join(" ")
end
