Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 32°C. We apply continuously 178°C heat to the field 6x8
What is the temperature (rounded to whole numbers) in the field 7x5 after 147 iterations according to the Gauss-Seidel iteration

Field in the beginning

32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232

Field after 4 iterations (rounded after 4th iteration)

479101111111074
713161819191917137
916202324242421168
10182325272727241810
11192427282929272011
11192427293337332413
11192427334761513417
101721274378125854822
7131725511182931235623
479153162104653414

Temperature in field 7x5 after 147 iterations: