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 78°C heat to the field 2x0
What is the temperature (rounded to whole numbers) in the field 7x7 after 116 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)

1441115462417141284
1737594533272320158
15304139353229251910
14263336353432282111
13243034353533302212
13222933343534302312
12212731333433292211
11192428293029261910
814182122232219147
479111212111073

Temperature in field 7x7 after 116 iterations: