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 200°C heat to the field 2x8
What is the temperature (rounded to whole numbers) in the field 8x6 after 44 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
3578887753
38141412109753
7244235241611863
216211775422314953
35112311124552614852
22591086634179531

Temperature in field 8x6 after 44 iterations: