l1.txt

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|                                                                  |           |
|                                   |    |------|  |---------------|           |
|                                   |    |                 |       |           |
|       |---------------------------|    |                 |       |           |
|       |                           |    |                 |       |           |
|       |                           |    |                 |       |           |
|       |                           |    |                 |       |           |
|       |       ---|  |--------------    ------------------|  |    |           |
        |       |            |      |                  |      |    |            
|       |       |            |      |    |             |      |                |
|       |       |            |      |    |     |       |      |                |
|       |       |       |    |      |    |     |       |      |                |
|       |       |       |    |      |    |     |       |      |                |
|       |       |       |    |      |    |     |       |      |                |
|       |       |       |    |      |    |     |       |      |                |
|       |       |       |    |           |     |       |      |                |
|       |       |       |    |           |     |       |      |                |
|                       |           |    |     |              |                |
|------------------------------------    --------------------------------------|