Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 31°C. We apply continuously 168°C heat to the field 7x9
What is the temperature (rounded to whole numbers) in the field 0x6 after 37 iterations according to the Gauss-Seidel iteration

Field in the beginning

31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131

Field after 4 iterations (rounded after 4th iteration)

47910101110974
712151718181816126
915192223242321168
1017222526272623189
10182326282828251910
11182427282929262011
10182326282931322513
9162123253040503719
71216182234621006026
468101532812327926

Temperature in field 0x6 after 37 iterations: