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 94°C heat to the field 3x2
What is the temperature (rounded to whole numbers) in the field 3x9 after 87 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)

51119282419161395
1024467354392923168
143576173865339302111
15345988695241332312
15294456534741342413
14263643444239332513
13233136383836322312
11202630323331272010
815192224242320147
4810111213121074

Temperature in field 3x9 after 87 iterations: