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 96°C heat to the field 5x8
What is the temperature (rounded to whole numbers) in the field 3x5 after 103 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
1233444431
1233587642
12361321171163
1241231573720104
12619551506026125
014122952321683

Temperature in field 3x5 after 103 iterations: