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 175°C heat to the field 8x6
What is the temperature (rounded to whole numbers) in the field 5x0 after 89 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
1222222221
1233333332
1233333697
1233448203322
12334620549952
12334113510127294
1233410286410756
12223717334528
0111248141711

Temperature in field 5x0 after 89 iterations: