#

while 1:
  g.line(0,0,200,200)
  g.line(0,200,200,0)
  g.line(80,80,120,80)
  g.line(120,80,120,120)
  g.line(120,120,80,120)
  g.line(80,120,80,80)
  g.line(70,70,130,70)
  g.line(130,70,130,130)
  g.line(130,130,70,130)
  g.line(70,130,70,70)
  g.line(30,30,170,30)
  g.line(170,30,170,170)
  g.line(170,170,30,170)
  g.line(30,170,30,30)

  for a in range(90,110):
    for b in range(20,50):
      g.line(a,b,a,b)

  for a in range(25,35):
    for b in range(95,105):
      g.line(a,b,a,b)
  
  for a in range(165,175):
    for b in range(95,105):
      g.line(a,b,a,b)

  for a in range(95,105):
    for b in range(142,190):
      g.line(a,b,a,b)

  g.paper(20)
  h = g.getMouse(1)
  v = g.getMouse(2)
  if h < 150:
    if v < 150:
      g.field(0,50,h,v,v)
    if v > 75:
      g.field(75,v,h,125,h)
  if h > 75:
    if v < 150:
      g.field(h,30,150,v,h)
    if v >75:
      g.field(h,v,100,100,v)