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 196°C heat to the field 8x1
What is the temperature (rounded to whole numbers) in the field 9x6 after 141 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)

5810111115286010351
8141719212854125310107
101721242633539013370
11192427293445606840
11202528313439444225
12202629313335353017
11202529313232312413
10182326272828261910
813171921212118147
47910111111973

Temperature in field 9x6 after 141 iterations: