Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 29°C. We apply continuously 122°C heat to the field 2x2
What is the temperature (rounded to whole numbers) in the field 8x5 after 62 iterations according to the Gauss-Seidel iteration

Field in the beginning

29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929

Field after 4 iterations (rounded after 4th iteration)

71829251814121074
1847835838272117126
29832099654362822168
2558967251383125189
18385451433631261910
14273638363330261910
1221283131302825189
1017222526262522168
712161819191816116
468910109863

Temperature in field 8x5 after 62 iterations: