Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 37°C. We apply continuously 63°C heat to the field 4x9
What is the temperature (rounded to whole numbers) in the field 5x6 after 46 iterations according to the Gauss-Seidel iteration

Field in the beginning

37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737

Field after 4 iterations (rounded after 4th iteration)

5911121213121184
915182022222219158
11182326272828251910
12202629313231282111
12222731333433302312
13222832343534312312
12222832363635312312
11192634403935292010
816243754413123168
5918389640221484

Temperature in field 5x6 after 46 iterations: