Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 16°C. We apply continuously 184°C heat to the field 1x3
What is the temperature (rounded to whole numbers) in the field 3x4 after 79 iterations according to the Gauss-Seidel iteration

Field in the beginning

16161616161616161616
16161616161616161616
16161616161616161616
16161616161616161616
16161616161616161616
16161616161616161616
16161616161616161616
16161616161616161616
16161616161616161616
16161616161616161616

Field after 4 iterations (rounded after 4th iteration)

511119876542
20393424171311973
5110974442819151294
962921246235231814105
59119845334241915115
3156513929221815116
1729312723201714105
101720191816151294
6101213121211963
3566666532

Temperature in field 3x4 after 79 iterations: