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 149°C heat to the field 1x0
What is the temperature (rounded to whole numbers) in the field 6x9 after 139 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)

602037231171210863
4286593725201714105
2545413327232118137
1628312927252320158
1221252626252421168
1017222425252421168
916202223242321158
814171921212118137
610131515161513105
3578888752

Temperature in field 6x9 after 139 iterations: