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 155°C heat to the field 7x3
What is the temperature (rounded to whole numbers) in the field 9x9 after 106 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)

59111213131518148
9151922232738483719
111925273144741137334
12222731396112027211848
132329334157891288540
13233034394964745730
13232933374249504021
12202630323538362815
9152022242626241810
5810121313131295

Temperature in field 9x9 after 106 iterations: