Turtle Rubber

function sweep()
  for i = 1, 7 do
  turtle.dig()
  turtle.up()
  end
  turtle.dig()
  for i = 1, 8 do
  turtle.down()
  end
end

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

while true do
print("Starting Tapping Route...")
turtle.forward()
repeat
for i = 1, 4 do
sweep()
rotate()
end
turtle.turnLeft()
turtle.forward()
if turtle.forward() then
  turtle.turnRight()
  x = false
else
  turtle.turnRight()
  turtle.forward()
  turtle.forward()
  if turtle.forward() then
    turtle.back()
    turtle.turnRight()
    repeat
      if turtle.forward() then
        y = false
      else
        turtle.back()
        turtle.turnLeft()
        y = true
      end
    until y
  else
    x = true
  end
end
until x
turtle.turnRight()
repeat
if turtle.forward() then
  z = false
else
  z = true
end
until z
turtle.turnRight()
repeat
if turtle.forward() then
  z = false
else
  z = true
end
until z
for i = 1, 16 do
  turtle.select(i)
  turtle.drop()
end
turtle.select(1)
turtle.turnRight()
turtle.forward()
turtle.turnLeft()
turtle.forward()
turtle.turnLeft()
turtle.turnLeft()
print("Waiting for half and hour")
sleep(1800)
end