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 111°C heat to the field 0x8
What is the temperature (rounded to whole numbers) in the field 1x8 after 55 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
916202223242321168
12202528303030272011
13222832343434302312
14243034363736322413
17273336373837332513
27363838383837332413
59534438363533292111
15672443329272521158
483725191614131184

Temperature in field 1x8 after 55 iterations: