Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 29°C. We apply continuously 197°C heat to the field 0x6
What is the temperature (rounded to whole numbers) in the field 6x2 after 146 iterations according to the Gauss-Seidel iteration

Field in the beginning

29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929

Field after 4 iterations (rounded after 4th iteration)

4789101010973
712141617171715116
915192122222219158
1522252526252522179
3540363229282724189
93745340333028251810
273121674535312824189
9677554032282522168
3742352924211916116
14181715131110863

Temperature in field 6x2 after 146 iterations: