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 129°C heat to the field 5x3
What is the temperature (rounded to whole numbers) in the field 6x8 after 113 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)

58101114171714105
8141823334539292010
101825386410072472914
11203052103233111623617
122232487711384573617
12223142566961483216
12212936434947392814
11192530343736312211
814182224252522158
4710111213131184

Temperature in field 6x8 after 113 iterations: