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 122°C heat to the field 7x8
What is the temperature (rounded to whole numbers) in the field 3x8 after 65 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
915192223232320158
11192527293029262010
12222731333333302212
13232933353635322413
13233033363738372916
13232933353947544121
12202630334467966229
91520232946912088734
581012162748754520

Temperature in field 3x8 after 65 iterations: