n = gets.to_i
a = gets.split.map {|i| i.to_i}
puts a.join(" ")
1.upto(n-1) do |i| 
    v = a[i]
    j = i - 1 
    while j >= 0 && a[j] > v do
        a[j+1] = a[j]
        j -= 1
    end 
    a[j+1] = v 
    puts a.join(" ")
end