Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 15°C. We apply continuously 167°C heat to the field 7x7
What is the temperature (rounded to whole numbers) in the field 2x5 after 47 iterations according to the Gauss-Seidel iteration

Field in the beginning

15151515151515151515
15151515151515151515
15151515151515151515
15151515151515151515
15151515151515151515
15151515151515151515
15151515151515151515
15151515151515151515
15151515151515151515
15151515151515151515

Field after 4 iterations (rounded after 4th iteration)

2445555532
4678999863
479111111111084
5811121313131295
59111313141619159
591113141830423317
5911131630621066731
581012194210627111042
36891533671107032
234591731423216

Temperature in field 2x5 after 47 iterations: