prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  params-hooks-compat
   +--app
   |   `--app
   |       `--[slug]
   +--pages
   |   `--pages
   `--shared
  ```
  
  Convert this description:
  
  monorepo is a master directory that features 2 subdirectories: a and b.
  At the top level, 'a' organizes 1 subfolders: src.
  Within directory hierarchy 'a → src', 'src' is a vacant space.
  At the main level, 'b' organizes 1 subdirectories: src.
  At level 2, in directory path 'b → src', Inside 'src', you'll find it stands empty.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "monorepo\n +--a\n |   `--src\n `--b\n     `--src", "description": "monorepo is a master directory that features 2 subdirectories: a and b.\nAt the top level, 'a' organizes 1 subfolders: src.\nWithin directory hierarchy 'a \u2192 src', 'src' is a vacant space.\nAt the main level, 'b' organizes 1 subdirectories: src.\nAt level 2, in directory path 'b \u2192 src', Inside 'src', you'll find it stands empty.\n"}