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 192°C heat to the field 5x4
What is the temperature (rounded to whole numbers) in the field 1x3 after 31 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)

2344455532
35671115151284
4681428443725157
4712296711978452411
481745120312131623113
4917387913289522913
481427466453372311
47111827343124168
3581115181815105
2345788752

Temperature in field 1x3 after 31 iterations: