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Stockholders' equity: (Tables)
12 Months Ended
Dec. 31, 2022
Stockholders' equity:  
Schedule of total share capital

    

Capital stock as of

    

Total shares

    

December 31, 

Description

2021

    

2022

2021

    

2022

“B” Series

277,050,000

277,050,000

Ps.

7,173,079

Ps.

7,173,079

“BB” Series

 

22,950,000

 

22,950,000

 

594,197

 

594,197

Total

300,000,000

300,000,000

Ps.

7,767,276

Ps.

7,767,276