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 124°C heat to the field 6x1
What is the temperature (rounded to whole numbers) in the field 2x4 after 123 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)

581013224373462511
81417244288211924419
101722294369102714320
11192430395162523618
11202630354245413016
12202630333738352614
11202529323334312312
10182326282929261910
813171921222118137
47910111111973

Temperature in field 2x4 after 123 iterations: