Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 22°C. We apply continuously 184°C heat to the field 0x7
What is the temperature (rounded to whole numbers) in the field 9x0 after 135 iterations according to the Gauss-Seidel iteration

Field in the beginning

22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222

Field after 4 iterations (rounded after 4th iteration)

3567777753
5911121313131194
611141516171615116
813161819191917137
1319212121212018137
3134302623222118147
8566453226232118147
252109573626221916126
866643292117151294
282922151298642

Temperature in field 9x0 after 135 iterations: