function path()
  -- Place middle
  turtle.placeDown()
  turtle.turnLeft()

  -- Place Left side
  turtle.forward()
  turtle.placeDown()
  turtle.forward()
  turtle.placeDown()

  -- Return to center
  turtle.turnRight()
  turtle.turnRight()
  turtle.forward()
  turtle.forward()

  -- Place Right side
  turtle.forward()
  turtle.placeDown()
  turtle.forward()
  turtle.placeDown()

  -- Return to center
  turtle.turnLeft()
  turtle.turnLeft()
  turtle.forward()
  turtle.forward()

  -- Rotate and move forward
  turtle.turnRight()
  turtle.forward()
end

function findBlocks()
  local offset = 0
  while not turtle.detect() do
    turtle.down()
    offset = offset + 1
  end
  for i = 0, 10 do
    turtle.digDown()
    turtle.down()
    offset = offset + 1
  end
  local breadth = 16
  for i = 0, breadth do
    for j = 0, breadth do
      while not turtle.forward() do
        turtle.dig()
      end
    end

    if i % 2 then
      turtle.turnRight()
      while not turtle.forward() do
        turtle.dig()
      end
      turtle.turnRight()
      while not turtle.forward() do
        turtle.dig()
      end
      while not turtle.forward() do
        turtle.dig()
      end
    else
      turtle.turnLeft()
      while not turtle.forward() do
        turtle.dig()
      end
      turtle.turnLeft()
      while not turtle.forward() do
        turtle.dig()
      end
      while not turtle.forward() do
        turtle.dig()
      end
    end
  end
end

while true do
  if (turtle.getItemCount(1) > 5) then
    path()
  else
    findBlocks()
  end
end