Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 24°C. We apply continuously 112°C heat to the field 2x4
What is the temperature (rounded to whole numbers) in the field 2x4 after 120 iterations according to the Gauss-Seidel iteration

Field in the beginning

24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424

Field after 4 iterations (rounded after 4th iteration)

3678888753
611161717161513105
1023353327232017126
1846805840302520147
27771939052352722168
2253886646352823168
1634484437312622168
1122293028252319137
714181919181614105
469101098752

Temperature in field 2x4 after 120 iterations: