Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 18°C. We apply continuously 189°C heat to the field 7x4
What is the temperature (rounded to whole numbers) in the field 2x0 after 94 iterations according to the Gauss-Seidel iteration

Field in the beginning

18181818181818181818
18181818181818181818
18181818181818181818
18181818181818181818
18181818181818181818
18181818181818181818
18181818181818181818
18181818181818181818
18181818181818181818
18181818181818181818

Field after 4 iterations (rounded after 4th iteration)

3456666653
4791010111317148
591113131831463518
61013141834701207635
6101316245012331012750
61114162443831328540
6101316213250655026
591214172331352916
4791012151819169
2455678974

Temperature in field 2x0 after 94 iterations: