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 126°C heat to the field 1x3
What is the temperature (rounded to whole numbers) in the field 3x0 after 102 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)

71315141313121184
1936353026232119147
4287664737312824189
7421310261443732282011
48967556453834302211
29525347423835302212
19343939373634292211
14242931323130261910
916202223232219137
5810111212111073

Temperature in field 3x0 after 102 iterations: