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 141°C heat to the field 4x3
What is the temperature (rounded to whole numbers) in the field 7x5 after 139 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)

5810141817151395
814213346413325178
102036671067752362312
12265110825111968442814
132647801209063442915
13253956716453412814
12233342494944362613
11202733363735302111
815192325262521158
4810121313121174

Temperature in field 7x5 after 139 iterations: