Cane

while true do

if turtle.getFuelLevel() <= 800 then
  turtle.select(4)
  turtle.refuel(63)
end

turtle.select(15)
if turtle.compareDown() == true then
  turtle.turnRight()
end

turtle.select(13)
if turtle.compareDown() == true then
  turtle.turnRight()
  turtle.select(1)
  turtle.dig()
  turtle.turnLeft()
end

turtle.select(14)
if turtle.compareDown() == true then
  turtle.select(1)
  turtle.turnLeft()
  turtle.drop(turtle.getItemCount()-1)
  turtle.select(4)
  if turtle.getItemCount() < 64 then
    turtle.suckUp(64-turtle.getItemCount())
  end
  turtle.turnRight()
  sleep(120)
end

turtle.forward()

end