Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 35°C. We apply continuously 189°C heat to the field 8x6
What is the temperature (rounded to whole numbers) in the field 0x3 after 62 iterations according to the Gauss-Seidel iteration

Field in the beginning

35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535
35353535353535353535

Field after 4 iterations (rounded after 4th iteration)

5810111212121184
814171920212018147
10172225262726231810
11192528293029292817
12202629313236465533
122127303236508412666
12202629324066134312111
111823262936559113169
8141820222737516036
47910121418232415

Temperature in field 0x3 after 62 iterations: