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 83°C heat to the field 6x1
What is the temperature (rounded to whole numbers) in the field 4x0 after 115 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)

58101219335335199
81418233566148683415
10172228385577563516
11192530364552443116
12202630353941372714
12212731343637332513
12202630323434302312
11182327293029261910
814182021222219147
479101112111073

Temperature in field 4x0 after 115 iterations: