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 74°C heat to the field 9x3
What is the temperature (rounded to whole numbers) in the field 3x0 after 132 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)

5810111212121196
8141719202120202017
10172225262727303640
111925282930323957109
12202629313234384344
12212730323334343223
12202629313233312615
11182326282929262011
814182021222119147
479101111111074

Temperature in field 3x0 after 132 iterations: