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 67°C heat to the field 1x8
What is the temperature (rounded to whole numbers) in the field 9x4 after 125 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
1233333321
1233333321
1334444321
2565544331
714129654331
18392615964321
3310342191064321
17352212632110

Temperature in field 9x4 after 125 iterations: