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 94°C heat to the field 4x0
What is the temperature (rounded to whole numbers) in the field 9x4 after 58 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)

38184613248221273
511213861422617115
612192937322519136
712182327262319137
712172022222118137
712161920212018137
712151719191917136
610131516171715115
5810121213121184
2456676542

Temperature in field 9x4 after 58 iterations: