Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 11°C. We apply continuously 173°C heat to the field 5x7
What is the temperature (rounded to whole numbers) in the field 5x4 after 35 iterations according to the Gauss-Seidel iteration

Field in the beginning

11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111

Field after 4 iterations (rounded after 4th iteration)

2334444321
3456676642
3578888763
468991010973
46891217161395
4781327413423147
461126601087140219
361439106279117542611
251230671137542229
1371630443422125

Temperature in field 5x4 after 35 iterations: