Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 12°C. We apply continuously 113°C heat to the field 9x8
What is the temperature (rounded to whole numbers) in the field 7x1 after 49 iterations according to the Gauss-Seidel iteration

Field in the beginning

12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212

Field after 4 iterations (rounded after 4th iteration)

2334444431
3567777652
3688999863
4789101010974
479101111111074
479101111111097
47910111111121718
4689101012193551
356778122559152
1234447153045

Temperature in field 7x1 after 49 iterations: