Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 8°C. We apply continuously 131°C heat to the field 6x4
What is the temperature (rounded to whole numbers) in the field 6x7 after 34 iterations according to the Gauss-Seidel iteration

Field in the beginning

8888888888
8888888888
8888888888
8888888888
8888888888
8888888888
8888888888
8888888888
8888888888
8888888888

Field after 4 iterations (rounded after 4th iteration)

1223333321
23445710963
24569193024157
3468194580522812
356123181212884016
35712265489593315
35610183143352311
246812182220147
2345710121184
1223455542

Temperature in field 6x7 after 34 iterations: