Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 10°C. We apply continuously 196°C heat to the field 7x5
What is the temperature (rounded to whole numbers) in the field 2x4 after 76 iterations according to the Gauss-Seidel iteration

Field in the beginning

10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010

Field after 4 iterations (rounded after 4th iteration)

1233333321
2456666653
3567781115127
367881327433317
36781228661187434
3689174512031412749
36791637781308338
3578132444604624
245691423282413
1233471012106

Temperature in field 2x4 after 76 iterations: