Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 20°C. We apply continuously 163°C heat to the field 8x9
What is the temperature (rounded to whole numbers) in the field 9x0 after 114 iterations according to the Gauss-Seidel iteration

Field in the beginning

20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020

Field after 4 iterations (rounded after 4th iteration)

3566777652
5810111212121084
610131415151513105
611141617171715116
712151718181816126
712151718191817137
7121517181818191811
6101315161720293722
581011121526528743
2456711277421966

Temperature in field 9x0 after 114 iterations: