Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 23°C. We apply continuously 134°C heat to the field 8x8
What is the temperature (rounded to whole numbers) in the field 1x2 after 91 iterations according to the Gauss-Seidel iteration

Field in the beginning

23232323232323232323
23232323232323232323
23232323232323232323
23232323232323232323
23232323232323232323
23232323232323232323
23232323232323232323
23232323232323232323
23232323232323232323
23232323232323232323

Field after 4 iterations (rounded after 4th iteration)

3577888753
5911131314131295
711141617171715126
713161819201917137
813171920212119158
8141720212221212012
8131719212124313823
7121517192131558545
5912131520388521273
356781223457336

Temperature in field 1x2 after 91 iterations: