Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 39°C. We apply continuously 169°C heat to the field 5x6
What is the temperature (rounded to whole numbers) in the field 0x0 after 46 iterations according to the Gauss-Seidel iteration

Field in the beginning

39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939

Field after 4 iterations (rounded after 4th iteration)

5911121313131295
915192223232320158
11192527293030272010
12222731354039342513
13232937516659453116
132332508513295633919
13233663130300141774420
1221325391138100653918
9162436546960432713
58121825302821147

Temperature in field 0x0 after 46 iterations: