Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 37°C. We apply continuously 76°C heat to the field 9x0
What is the temperature (rounded to whole numbers) in the field 8x8 after 111 iterations according to the Gauss-Seidel iteration

Field in the beginning

37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737
37373737373737373737

Field after 4 iterations (rounded after 4th iteration)

591112121315203795
9151820222224273337
11182326272829292820
12202629313232302515
12222731333434312413
13222832343534312413
12222831333434302312
11192528303130272010
815192123232219147
4810111212121074

Temperature in field 8x8 after 111 iterations: