Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 13°C. We apply continuously 67°C heat to the field 1x0
What is the temperature (rounded to whole numbers) in the field 7x5 after 115 iterations according to the Gauss-Seidel iteration

Field in the beginning

13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313

Field after 4 iterations (rounded after 4th iteration)

27923315865432
1939271812108753
12212016141211973
81315141313121084
61012131313121184
5911121313121184
5810111212121184
47910111111973
3578888752
2334444321

Temperature in field 7x5 after 115 iterations: