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 105°C heat to the field 3x7
What is the temperature (rounded to whole numbers) in the field 0x0 after 127 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)

5911121213121184
915182022222219158
11182326272828251910
12202630323231282111
12222935373635312312
13243851494338332412
14325890705342342412
153884192955942322211
1229558664453325168
71526353124181384

Temperature in field 0x0 after 127 iterations: