Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 20°C. We apply continuously 168°C heat to the field 4x0
What is the temperature (rounded to whole numbers) in the field 1x5 after 125 iterations according to the Gauss-Seidel iteration

Field in the beginning

20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020
20202020202020202020

Field after 4 iterations (rounded after 4th iteration)

310277723181331684
5132960101653823136
614254054453323157
713202934332822158
713182326262420147
712172022222119147
712151819202017137
611141617171715116
5810121213121184
2456776542

Temperature in field 1x5 after 125 iterations: