Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 7°C. We apply continuously 165°C heat to the field 2x1
What is the temperature (rounded to whole numbers) in the field 6x7 after 130 iterations according to the Gauss-Seidel iteration

Field in the beginning

7777777777
7777777777
7777777777
7777777777
7777777777
7777777777
7777777777
7777777777
7777777777
7777777777

Field after 4 iterations (rounded after 4th iteration)

1443845025127421
2993257103452212742
236010670402213852
14334941281912853
8182524191411853
510141413119753
379101098752
3567777642
2345555431
1222332211

Temperature in field 6x7 after 130 iterations: