leftImg8bit/train/stuttgart/stuttgart_000021_000019_leftImg8bit.png gtFine/train/stuttgart/stuttgart_000021_000019_gtFine_labelTrainIds.png
leftImg8bit/train/stuttgart/stuttgart_000072_000019_leftImg8bit.png gtFine/train/stuttgart/stuttgart_000072_000019_gtFine_labelTrainIds.png