plot 2.0

local z = 1
turtle.select(z)

print("Length?")
local l = tonumber(read())
print("Width?")
local w = tonumber(read())

function itemcheck()
s = turtle.getItemCount(z)
  if s < 1 then
    print("Slot Empty, Switching...")
    z = z + 1
    turtle.select(z)
  end
end

function placefront()
  for p = 0, l do
    turtle.placeDown()
    turtle.forward()
    itemcheck()
    turtle.placeDown()
  end
end

for i = 0, w / 2 do
  placefront()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
  placefront()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
end