Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 12°C. We apply continuously 84°C heat to the field 0x3
What is the temperature (rounded to whole numbers) in the field 5x7 after 130 iterations according to the Gauss-Seidel iteration

Field in the beginning

12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212

Field after 4 iterations (rounded after 4th iteration)

4555444431
13141210887652
3930211512109863
116512818141211974
413424181413121074
172018161413121084
91314131312111074
691011111110963
3678888652
2344444321

Temperature in field 5x7 after 130 iterations: