Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 24°C. We apply continuously 173°C heat to the field 9x7
What is the temperature (rounded to whole numbers) in the field 7x0 after 131 iterations according to the Gauss-Seidel iteration

Field in the beginning

24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424

Field after 4 iterations (rounded after 4th iteration)

3678888753
61012131414141395
712151718181816126
813171920212018148
8141820212222191713
8141821222222243030
8141820222224355981
71316181921264698237
591214151621345980
35678911172526

Temperature in field 7x0 after 131 iterations: