Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 34°C. We apply continuously 157°C heat to the field 5x9
What is the temperature (rounded to whole numbers) in the field 2x4 after 53 iterations according to the Gauss-Seidel iteration

Field in the beginning

34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434

Field after 4 iterations (rounded after 4th iteration)

5810111112111084
814171920202018137
1017212425262523179
11192427282929261910
11202528303130272111
12202629313232292211
11202529333736312312
10182329425447362311
8132033619966402210
481430772218034166

Temperature in field 2x4 after 53 iterations: