stairdown

print("Welcome to the Stair Maker")
write("How many blocks down: ")
local blocksdown
blocksdown = tonumber(read())
counter = 0

function dig()
  while turtle.detect() do
    turtle.dig()
  end
end

while counter < blocksdown do
  if turtle.getFuelLevel() < 4 then
    turtle.refuel()
  end
  dig()
  turtle.forward()
  turtle.turnRight()
  dig()
  for i=1,3 do
    turtle.digDown()
    turtle.down()
    dig()
  end
  turtle.up()
  turtle.up()
  turtle.turnLeft()
  counter = counter + 1
end