pattern - Fill the grid - 2.0

Can you fill this grid ? (Version 2.0 )

Text version

714523  
191303  
165088  
213443  
573211  
91?12?

Answer

The missing numbers are

6 and 7.

To find them, observe that

on row $k$, the two digit number in the middle of the row is obtained by adding the two digit numbers to the left and right, adding $4\times(-1)^k$ to their sum and then dividing by 2.