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 148°C heat to the field 7x8
What is the temperature (rounded to whole numbers) in the field 6x0 after 107 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)

1112222211
1223333321
1234444331
2344444431
2344454542
23445571095
23444819312412
233461847865324
1233929842308933
111261945804720

Temperature in field 6x0 after 107 iterations: