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 197°C heat to the field 0x7
What is the temperature (rounded to whole numbers) in the field 1x9 after 57 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
61012131414141295
1116161615151513105
3032262118171514105
8966432821181613105
26811256322217151294
90674226181411963
292921141086532

Temperature in field 1x9 after 57 iterations: