Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 4°C. We apply continuously 107°C heat to the field 7x5
What is the temperature (rounded to whole numbers) in the field 9x7 after 35 iterations according to the Gauss-Seidel iteration

Field in the beginning

4444444444
4444444444
4444444444
4444444444
4444444444
4444444444
4444444444
4444444444
4444444444
4444444444

Field after 4 iterations (rounded after 4th iteration)

1111111110
1222222321
1233335763
1233361422179
123351435634018
1234823641706826
123481941704420
123361223322413
1223471215127
0111235653

Temperature in field 9x7 after 35 iterations: