Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 25°C. We apply continuously 190°C heat to the field 2x9
What is the temperature (rounded to whole numbers) in the field 1x0 after 135 iterations according to the Gauss-Seidel iteration

Field in the beginning

25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525

Field after 4 iterations (rounded after 4th iteration)

3678888863
610121415151513105
712161819191917137
814182021212119147
815192122232220158
815202224242321168
818262827252421158
1230484334272319147
21581076942272015105
258526092382012853

Temperature in field 1x0 after 135 iterations: