+------+------+
  | raw  | tidy |
  +------+------+------------------------------------------+
  |                                                        |
  |                                                        |
  |                                                        |
  |                                                        |
  |                                                        |
  |                                                        |
  |                                                        |
  |                                                        |
  |                                                        |
  +--------------------------------------------------------+