Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 5°C. We apply continuously 98°C heat to the field 4x1
What is the temperature (rounded to whole numbers) in the field 4x7 after 52 iterations according to the Gauss-Seidel iteration

Field in the beginning

5555555555
5555555555
5555555555
5555555555
5555555555
5555555555
5555555555
5555555555
5555555555
5555555555

Field after 4 iterations (rounded after 4th iteration)

131027503015842
26205715462271363
2617386442241373
2512223025171173
24813161512963
246810109752
2356777542
2344555432
1233343321
1112222111

Temperature in field 4x7 after 52 iterations: