Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 32°C. We apply continuously 80°C heat to the field 6x2
What is the temperature (rounded to whole numbers) in the field 5x4 after 89 iterations according to the Gauss-Seidel iteration

Field in the beginning

32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232

Field after 4 iterations (rounded after 4th iteration)

4791013182420136
7131619264263442712
91620263869149713717
10182328385677563517
11192429354450433015
11192429333739352614
11192427303333302312
1017212426282825189
713161820212018137
47810101110963

Temperature in field 5x4 after 89 iterations: