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 132°C heat to the field 9x1
What is the temperature (rounded to whole numbers) in the field 7x9 after 99 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)

591112121314223855
91518202222274178182
11182326272932415668
12202629313234373932
12222731333435353120
13222832343535332715
12222831333434312413
11192528303130272010
815192123232220147
4810111212121074

Temperature in field 7x9 after 99 iterations: