Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 25°C. We apply continuously 154°C heat to the field 4x5
What is the temperature (rounded to whole numbers) in the field 4x6 after 125 iterations according to the Gauss-Seidel iteration

Field in the beginning

25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525

Field after 4 iterations (rounded after 4th iteration)

3678888863
610121415161513105
712162025252219147
814213549433425179
81733661097750332110
9214710826411965392411
92040751188556372311
817294762544230199
612192734322721147
369131515131073

Temperature in field 4x6 after 125 iterations: