Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 39°C. We apply continuously 130°C heat to the field 0x6
What is the temperature (rounded to whole numbers) in the field 1x8 after 52 iterations according to the Gauss-Seidel iteration

Field in the beginning

39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939

Field after 4 iterations (rounded after 4th iteration)

5911121313131295
915192223232320158
12202528293029262010
16263032333433302212
30383838373735322413
68615043403837332513
187925946413936322412
69614941373533292111
2935333028272521158
111617161514131184

Temperature in field 1x8 after 52 iterations: