Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 1°C. We apply continuously 186°C heat to the field 2x0
What is the temperature (rounded to whole numbers) in the field 3x1 after 91 iterations according to the Gauss-Seidel iteration

Field in the beginning

1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111

Field after 4 iterations (rounded after 4th iteration)

22782498330115210
2054995930147311
1229433421126321
61420181385321
3799753211
2355432211
1223222110
0112211110
0111111100
0000000000

Temperature in field 3x1 after 91 iterations: