Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 11°C. We apply continuously 193°C heat to the field 7x4
What is the temperature (rounded to whole numbers) in the field 8x6 after 51 iterations according to the Gauss-Seidel iteration

Field in the beginning

11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111

Field after 4 iterations (rounded after 4th iteration)

2334444432
345667913127
357881327423217
46891228661177333
46810184511931012548
478101737781298338
46810152645614724
3679111725312614
24668111416138
1233456763

Temperature in field 8x6 after 51 iterations: