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 185°C heat to the field 8x8
What is the temperature (rounded to whole numbers) in the field 1x3 after 107 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)

2455555542
4689999863
5810111212121184
5911131314131295
59121314151413106
591214151515161711
591213141519314226
5811121316316510957
468910174210928698
234561126579849

Temperature in field 1x3 after 107 iterations: