Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 37°C. We apply continuously 104°C heat to the field 1x4
What is the temperature (rounded to whole numbers) in the field 5x5 after 129 iterations according to the Gauss-Seidel iteration

Field in the beginning

37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737

Field after 4 iterations (rounded after 4th iteration)

5911121313121184
1019222323232219158
20373835323028251910
38786248403633292111
641829159453936312312
43846954454037322412
27484945413836312312
18303536353432272010
1119242525252320147
5912131313121074

Temperature in field 5x5 after 129 iterations: