Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 27°C. We apply continuously 97°C heat to the field 2x4
What is the temperature (rounded to whole numbers) in the field 1x8 after 92 iterations according to the Gauss-Seidel iteration

Field in the beginning

27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727

Field after 4 iterations (rounded after 4th iteration)

4689999863
612171918171614116
1023343328252219147
1743745540312622168
25701728350362924179
2150816246363025189
1633464438322824179
1222303129272521158
814192020201815115
4791010109853

Temperature in field 1x8 after 92 iterations: