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Balances and transactions with related parties: Transactions (Details) - MXN ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Related parties: |  |  |
Revenue | $ 25,313,882 | $ 18,784,661 | $ 12,624,731
Technical assistance (Note 14.4) | (643,891) | (391,698) | (175,615)
Leasing | (5,457) | (6,467) |
Autobuses de Oriente |  |  |
Related parties: |  |  |
Revenue | 15,899 | 11,800 | 7,968
Autobuses Golfo Pacfico |  |  |
Related parties: |  |  |
Revenue | 7,616 | 6,468 | 4,862
Coordinados de Mxico de Oriente, S. A. de C. V. |  |  |
Related parties: |  |  |
Revenue | 189 | 162 | 164
Related parties |  |  |
Related parties: |  |  |
Leasing | $ (4,610) | (5,863) | (6,061)
Cleaning services |  | $ (12,307) | $ (11,848)

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