local rows, cols, height

term.clear()
print("Please ensure the Turtle is located in the bottom left corner.")
textutils.slowPrint("       ")

print("How many rows?")
rows = tonumber(io.read())
print("How many columns?")
cols = tonumber(io.read())
print("How tall?")
height = tonumber(io.read())

turtle.refuel()

for h = 1, height do
  for c = 1, cols do
	for r =1, rows do
	  if turtle.detectFoward() then
	    turtle.dig()
	  end
	  turtle.forward()
	end
    turtle.turnLeft()
	if r ~= rows then
	  if turtle.detectForward() then
	  turtle.dig()
	  end
	  turtle.forward()
	end
    turtle.turnLeft()
  end
  if turtle.detectUp() then
    turtle.digUp()
  end
  turtle.up()
end