if turtle.getItemCount(1) == 0 or turtle.getItemCount(9) == 0
then
  print("Need two Cobblestone or Dirt in the first Slot");
  print("Need Torches in the last Slot");
  print("Shut down");
  os.sleep(10);
  os.reboot();
end

turtle.turnRight();
turtle.turnRight();
turtle.select(1);
turtle.place();
turtle.turnRight();
turtle.turnRight();

turtle.up();

while (turtle.getItemCount(8) == 0 and turtle.getItemCount(9) > 0)
do
  while (turtle.detect()) do turtle.dig(); os.sleep(1); end
  turtle.forward();
  while (turtle.detectUp()) do turtle.digUp(); os.sleep(1); end
  turtle.digDown();
  turtle.down();
  if (turtle.getItemCount(1) > 0) then turtle.placeDown(); end
  turtle.up();

  while (turtle.detect()) do turtle.dig(); os.sleep(1); end
  turtle.forward();
  while (turtle.detectUp()) do turtle.digUp(); os.sleep(1); end
  turtle.digDown();
  turtle.down();
  if (turtle.getItemCount(1) > 0) then turtle.placeDown(); end
  turtle.up();

  while (turtle.detect()) do turtle.dig(); os.sleep(1); end
  turtle.forward();
  while (turtle.detectUp()) do turtle.digUp(); os.sleep(1); end
  turtle.digDown();
  turtle.down();
  if (turtle.getItemCount(1) > 0) then turtle.placeDown(); end
  turtle.up();

  while (turtle.detect()) do turtle.dig(); os.sleep(1); end
  turtle.forward();
  while (turtle.detectUp()) do turtle.digUp(); os.sleep(1); end
  turtle.digDown();
  turtle.down();
  if (turtle.getItemCount(1) > 0) then turtle.placeDown(); end
  turtle.up();

  while (turtle.detect()) do turtle.dig(); os.sleep(1); end
  turtle.forward();
  while (turtle.detectUp()) do turtle.digUp(); os.sleep(1); end
  turtle.digDown();
  turtle.down();
  if (turtle.getItemCount(1) > 0) then turtle.placeDown(); end
  turtle.up();

  turtle.turnRight();
  while (turtle.detect()) do turtle.dig(); os.sleep(1); end
  if (turtle.getItemCount(1) > 0) then turtle.place(); end
  turtle.turnLeft();

  while (turtle.detect()) do turtle.dig(); os.sleep(1); end
  turtle.forward();
  while (turtle.detectUp()) do turtle.digUp(); os.sleep(1); end
  turtle.digDown();
  turtle.down();
  if (turtle.getItemCount(1) > 0) then turtle.placeDown(); end
  turtle.up();

  turtle.turnRight();
  turtle.turnRight();
  turtle.select(9);
  turtle.place();
  turtle.select(1);
  turtle.turnRight();
  turtle.turnRight();
end

turtle.down();
turtle.turnRight();
turtle.turnRight();

print("Moving back");

while (not turtle.detect())
do
  turtle.forward();
end

print("DONE!!!");