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 160°C heat to the field 9x6
What is the temperature (rounded to whole numbers) in the field 7x0 after 127 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)

5810111112111084
814171920202018137
10172124252625231710
11192427282929262215
11202528303130313431
12202629313234436279
1120252930323754100224
10182326272933456480
8131719212224293532
47910111113141512

Temperature in field 7x0 after 127 iterations: