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 2x2
What is the temperature (rounded to whole numbers) in the field 9x0 after 58 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)

618322516106431
185410266372113853
321022771155529171174
2566115784728181284
163755473424171284
102129282419151284
61317181715131184
481112121211963
3578888642
1344444321

Temperature in field 9x0 after 58 iterations: