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 139°C heat to the field 2x6
What is the temperature (rounded to whole numbers) in the field 9x7 after 45 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
11182427282828251910
12233234343432282111
16355351444036312312
256210681594739332412
3699245118715141332412
296811184604637302110
1839555141342822158
91824242118151184

Temperature in field 9x7 after 45 iterations: