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
