Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 8°C. We apply continuously 173°C heat to the field 1x8
What is the temperature (rounded to whole numbers) in the field 1x1 after 101 iterations according to the Gauss-Seidel iteration

Field in the beginning

8888888888
8888888888
8888888888
8888888888
8888888888
8888888888
8888888888
8888888888
8888888888
8888888888

Field after 4 iterations (rounded after 4th iteration)

1223333221
2344555432
2456666542
3466777652
3577777653
51213111098753
1835302114119753
4699653621139752
862651064723138642
439056291585321

Temperature in field 1x1 after 101 iterations: