Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 19°C. We apply continuously 194°C heat to the field 3x0
What is the temperature (rounded to whole numbers) in the field 5x6 after 140 iterations according to the Gauss-Seidel iteration

Field in the beginning

19191919191919191919
19191919191919191919
19191919191919191919
19191919191919191919
19191919191919191919
19191919191919191919
19191919191919191919
19191919191919191919
19191919191919191919
19191919191919191919

Field after 4 iterations (rounded after 4th iteration)

829872659237181063
10306611372422516105
1023425849362618126
818283534292419137
714212526242218137
713172021212017137
712151819191816126
610131516171614105
4810111212121074
2456666542

Temperature in field 5x6 after 140 iterations: