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 119°C heat to the field 2x3
What is the temperature (rounded to whole numbers) in the field 6x3 after 148 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)

51015161514131194
1126403731272420158
22539068493832271910
3287212103634637312212
276310279594739332412
21436058504439332413
17314244424037322312
13243134353432282010
916212425252420147
5811121313121074

Temperature in field 6x3 after 148 iterations: