Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 11°C. We apply continuously 115°C heat to the field 5x6
What is the temperature (rounded to whole numbers) in the field 8x0 after 53 iterations according to the Gauss-Seidel iteration

Field in the beginning

11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111

Field after 4 iterations (rounded after 4th iteration)

2334444321
3456676642
3578899863
46891114141184
4681221312618126
47102044755130178
471330751908240209
36122449815533188
2581627383121136
12481216141063

Temperature in field 8x0 after 53 iterations: