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 151°C heat to the field 3x8
What is the temperature (rounded to whole numbers) in the field 6x5 after 96 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
13233034363736322413
14243340424139342513
13274461574943352613
143571115856045342312
1542103255115634028189
926549261372416105

Temperature in field 6x5 after 96 iterations: