Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 12°C. We apply continuously 86°C heat to the field 7x2
What is the temperature (rounded to whole numbers) in the field 5x1 after 130 iterations according to the Gauss-Seidel iteration

Field in the beginning

12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212

Field after 4 iterations (rounded after 4th iteration)

2334461218147
356781532543416
36891225571425923
47810132240634119
47910131826332513
4791012151820169
4791011131414116
46891011111184
3567788753
1234444431

Temperature in field 5x1 after 130 iterations: