Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 36°C. We apply continuously 131°C heat to the field 9x6
What is the temperature (rounded to whole numbers) in the field 1x8 after 104 iterations according to the Gauss-Seidel iteration

Field in the beginning

36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636

Field after 4 iterations (rounded after 4th iteration)

5810111212121184
814182021212119147
10182325272727241810
11202528303130272315
12212730323332323328
12212731333435425667
122127303234385187186
11192427293034425768
8141821222325283227
47911121213141410

Temperature in field 1x8 after 104 iterations: