Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 40°C. We apply continuously 177°C heat to the field 2x3
What is the temperature (rounded to whole numbers) in the field 9x9 after 101 iterations according to the Gauss-Seidel iteration

Field in the beginning

40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040

Field after 4 iterations (rounded after 4th iteration)

61218191716141295
1333524738312722168
287112590624537302111
42121305142815643342513
3685140105745645362614
26557873615144372714
20385153504641352613
15273639393836302211
1018242728282622168
5912141414131184

Temperature in field 9x9 after 101 iterations: