Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 34°C. We apply continuously 153°C heat to the field 7x4
What is the temperature (rounded to whole numbers) in the field 4x7 after 52 iterations according to the Gauss-Seidel iteration

Field in the beginning

34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434

Field after 4 iterations (rounded after 4th iteration)

5810111112111185
8141719202022241910
10172124252940503820
111924273144731127234
11202529365911726611546
122026303753851238139
11202529344458695327
10182326293541433418
8131720222426262011
479101112131295

Temperature in field 4x7 after 52 iterations: