schematic2

for i=1,7 do
  place()
  up()
  placeDown()
end

back()
down(4)
for i=1,3 do
  placeDown()
  up()
end

right()
forward()
left()
forward(3)
left()
forward()
down(3)
for i=1,3 do
  placeUp()
  down()
end