Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 13°C. We apply continuously 129°C heat to the field 5x5
What is the temperature (rounded to whole numbers) in the field 7x6 after 47 iterations according to the Gauss-Seidel iteration

Field in the beginning

13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313
13131313131313131313

Field after 4 iterations (rounded after 4th iteration)

2344444432
3567888753
46891215151284
4791323342920136
48122349845734199
4815348421492462310
481529579264392210
47122034463927178
3581319232217115
234691010853

Temperature in field 7x6 after 47 iterations: