Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 10°C. We apply continuously 154°C heat to the field 5x8
What is the temperature (rounded to whole numbers) in the field 5x3 after 98 iterations according to the Gauss-Seidel iteration

Field in the beginning

10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010

Field after 4 iterations (rounded after 4th iteration)

1233333321
2456666542
3567787753
3678898863
367891010963
36891216151284
3671224373121126
3592253946234188
251133912439844208
1382148855227135

Temperature in field 5x3 after 98 iterations: