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 90°C heat to the field 0x5
What is the temperature (rounded to whole numbers) in the field 2x9 after 125 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)

6912131314131295
1016202223242321168
14232729303130272011
24333535353534302312
51494440393836322413
134715144413938332513
53524642403937332413
26353736353533292111
1422252626262521158
71113141414131184

Temperature in field 2x9 after 125 iterations: