prompt: Your task is to convert the following English description into an ASCII tree format.
  
  custom_block is a top-level directory that incorporates 2 subdirectories: __snapshots__ and html-whitespace-sensitivity.
  At the main level, Inside '__snapshots__', you'll find it is a vacant space.
  In the root directory, 'html-whitespace-sensitivity' has 1 subdirectories: __snapshots__.
  Within directory hierarchy 'html-whitespace-sensitivity / __snapshots__', Inside '__snapshots__', you'll find it holds no subdirectories at the moment.
  
  
  Format your response in this style:
  ```
  docs
   +--about
   +--advanced
   +--deployment
   +--how-to
   +--learn
   +--resources
   +--security
   `--tutorial
       +--dependencies
       `--security
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "custom_block\n +--__snapshots__\n `--html-whitespace-sensitivity\n     `--__snapshots__", "description": "custom_block is a top-level directory that incorporates 2 subdirectories: __snapshots__ and html-whitespace-sensitivity.\nAt the main level, Inside '__snapshots__', you'll find it is a vacant space.\nIn the root directory, 'html-whitespace-sensitivity' has 1 subdirectories: __snapshots__.\nWithin directory hierarchy 'html-whitespace-sensitivity / __snapshots__', Inside '__snapshots__', you'll find it holds no subdirectories at the moment.\n"}