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 185°C heat to the field 3x1
What is the temperature (rounded to whole numbers) in the field 2x8 after 138 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)

8245710365372315105
1546119303130664026178
174386138986444322111
15345776685443332312
14274150504539322312
13243339413936312312
12212833353534292211
1018242829302925189
814182022222118137
47910111111973

Temperature in field 2x8 after 138 iterations: