t2

local args = {...}

local slot= 1

function layer()
	turtle.up()
	length=11
	line()
	stepright()
	length=3
	line()
	stepright()
	length=2
	for j=1,3 do
	line()
	stepright()
	end
	length=1
	for j=1,6 do
	line()
	stepright()
	end
	turtle.turnRight()
	length=2
	for j=1,3 do
	line()
	stepleft()
	end
	length=4
	line()
	stepleft()
	length=11
	line()
end

function line()
	for i=1, length do
	turtle.placeDown()
	turtle.forward()
	checkblocks()
	end
end

function stepright()
	turtle.turnRight()
	turtle.forward()
	turtle.turnLeft()
end

function stepleft()
	turtle.turnLeft()
	turtle.forward()
	turtle.turnRight()
end

function checkblocks()
	if turtle.getItemCount(slot) < 1 then
	slot = slot+1
                turtle.select(slot)
	end
end

layer()