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 152°C heat to the field 9x5
What is the temperature (rounded to whole numbers) in the field 7x7 after 34 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
915192223232320159
11192527293029262215
12222731333333333531
13232933353637456277
1323303336374258100216
13232933353741516880
12202630313335394235
9152022242526262416
58101212131313117

Temperature in field 7x7 after 34 iterations: