Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 35°C. We apply continuously 77°C heat to the field 8x3
What is the temperature (rounded to whole numbers) in the field 7x4 after 96 iterations according to the Gauss-Seidel iteration

Field in the beginning

35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535

Field after 4 iterations (rounded after 4th iteration)

58101112121212117
8141719202122262716
10172225262833466032
111925283033437013851
12202629323542556736
12212730323539434124
12202629323335352917
11182326282930282212
814182021222220158
479101112111074

Temperature in field 7x4 after 96 iterations: