Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 30°C. We apply continuously 182°C heat to the field 8x1
What is the temperature (rounded to whole numbers) in the field 4x8 after 92 iterations according to the Gauss-Seidel iteration

Field in the beginning

30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030

Field after 4 iterations (rounded after 4th iteration)

47910101326559548
712151718254911528799
91519212330488212264
10172124263040556237
10172225273034393823
10182326282931312716
10172225272829272212
916202324252523179
712151718191816126
4689101010863

Temperature in field 4x8 after 92 iterations: