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 185°C heat to the field 4x3
What is the temperature (rounded to whole numbers) in the field 3x4 after 102 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)

35610151412963
59153046392819126
6143269120825031189
8204912230813468392210
82042841359460382311
8183252706146332110
815243442403427189
713182428282521157
59131618181714105
3568998753

Temperature in field 3x4 after 102 iterations: