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 73°C heat to the field 6x1
What is the temperature (rounded to whole numbers) in the field 7x8 after 80 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)

58101318314832188
81418233461133623214
10182328375372533316
11202630364450433015
12212731353941372714
12212731343737342513
12212731333434312312
11192427293030272010
814182122232219147
479111212111074

Temperature in field 7x8 after 80 iterations: