function place()

	turtle.select(1)
	x = 1
  	if turtle.getItemCount(x) == 0 then
       	 repeat turtle.select(x+1)
        	x = x + 1
           if x == 16 then
                x = 1
                y = 2
           end
		if y == 2 then
		os.reboot()
		end
        until turtle.getItemCount(x) > 0
    end
	turtle.placeUp()
	turtle.placeDown()
end

function placeright()

	turtle.select(1)
	x = 1
	if turtle.getItemCount(x) == 0 then
	  repeat turtle.select(x+1)
	  x = x + 1
	if x == 16 then
		x = 1
		y = 2
	end
		if y == 2 then
		os.reboot()
		end
	until turtle.getItemCount(x) > 0
	end
	turtle.placeRight()

function placeleft()

	turtle.select(1)
	x = 1
	if turtle.getItemCount(x) == 0 then
	  repeat turtle.select(x+1)
	  x = x + 1
	if x == 16 then
		x = 1
		y = 2
	end
		if y == 2 then
		os.reboot()
		end
	until turtle.getItemCount(x) > 0
	end
	turtle.placeLeft()

end

for k = 1,4 do

  for i = 1,40 do
  	place()
  	turtle.forward()
  end
  turtle.turnRight()
  end

for k = 1,1 do

	turtle.back()

	for i = 1, 42 do
	placeleft()
	turtle.forward()
	end
	turtle.back()
	turtle.turnRight()
end

for k = 1,2 do
	for i = 1, 41 do
	placeleft()
	turtle.forward()
	end
	turtle.back()
	turtle.turnRight()
end
for k = 1,1 do
	for i = 1,40 do
	placeleft()
	turtle.forward()
	end
	turtle.turnRight()
end

for k = 1,1 do
	for i = 1,38 do
	turtle.forward()
	placeright()
	end
	turtle.forward()
	turtle.turnRight()
	turtle.forward()
end

for k = 1,2 do
	for i = 1, 37 do
	turtle.forward()
	placeright()
	end
	turtle.forward()
	turtle.turnRight()
	turtle.forward()
end

for k = 1,1 do
	for i = 1,36 do
	turtle.forward()
	placeright()
	end
end