Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 20°C. We apply continuously 125°C heat to the field 4x4
What is the temperature (rounded to whole numbers) in the field 4x6 after 34 iterations according to the Gauss-Seidel iteration

Field in the beginning

20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020

Field after 4 iterations (rounded after 4th iteration)

3566777652
5810131717151294
610162637332519126
613265287613926168
7173787213965231199
717336196694630199
715253952463526178
612192631302620147
59121619191714105
2468998752

Temperature in field 4x6 after 34 iterations: