read_line.to_i.times do
  puts solve() ? "Yes" : "No"
end

def solve
  n = read_line.to_i
  a = read_line.split.map(&.to_i)
  b = read_line.split.map(&.to_i)
  c = Array.new(n, 0)
  st = [0]
  n.times do |i|
    if a[i] > b[i]
      return false
    end
    st << a[i] if a[i] > st[-1]
    while st[-1] > b[i]
      st.pop
    end
    c[i] = st[-1]
  end
  st = [0]
  (n - 1).downto(0) do |i|
    st << a[i] if a[i] > st[-1]
    while st[-1] > b[i]
      st.pop
    end
    c[i] = {c[i], st[-1]}.max
  end
  return b == c
end