Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 9°C. We apply continuously 192°C heat to the field 3x3
What is the temperature (rounded to whole numbers) in the field 7x4 after 103 iterations according to the Gauss-Seidel iteration

Field in the beginning

9999999999
9999999999
9999999999
9999999999
9999999999
9999999999
9999999999
9999999999
9999999999
9999999999

Field after 4 iterations (rounded after 4th iteration)

126101085431
282339322113852
623621147442231384
1039114307127603117104
10327412785502917105
82142605035231595
51323312923181384
4813171715131073
358101098752
1244554321

Temperature in field 7x4 after 103 iterations: