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 110°C heat to the field 2x8
What is the temperature (rounded to whole numbers) in the field 6x2 after 57 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
479111111111074
4914141413121084
71829262016131184
143869472919141073
216517573351912853
1334613821127531

Temperature in field 6x2 after 57 iterations: