Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 27°C. We apply continuously 133°C heat to the field 3x5
What is the temperature (rounded to whole numbers) in the field 3x7 after 100 iterations according to the Gauss-Seidel iteration

Field in the beginning

27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727

Field after 4 iterations (rounded after 4th iteration)

4689999863
611131516161614116
813192425242219147
918324541342823179
1128599871493627199
1440952311086141292010
143467106785439292010
1125425651413225178
816253131272318126
481214151312963

Temperature in field 3x7 after 100 iterations: