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 128°C heat to the field 9x0
What is the temperature (rounded to whole numbers) in the field 1x6 after 75 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)

5810111112152556156
8141719202124314457
10172124252628313227
11192427282930302617
11202528303131292414
12202629313232292312
11202529303131282111
1018232627282825189
813171921212118137
47910111111973

Temperature in field 1x6 after 75 iterations: