Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 5°C. We apply continuously 115°C heat to the field 4x5
What is the temperature (rounded to whole numbers) in the field 2x7 after 131 iterations according to the Gauss-Seidel iteration

Field in the beginning

5555555555
5555555555
5555555555
5555555555
5555555555
5555555555
5555555555
5555555555
5555555555
5555555555

Field after 4 iterations (rounded after 4th iteration)

1112222211
1223343321
1235887532
23615252014952
2515386945251473
28246918476361894
2720457651301794
2513253529201373
14713171512852
1235776431

Temperature in field 2x7 after 131 iterations: