Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 8°C. We apply continuously 112°C heat to the field 2x0
What is the temperature (rounded to whole numbers) in the field 1x0 after 31 iterations according to the Gauss-Seidel iteration

Field in the beginning

8888888888
8888888888
8888888888
8888888888
8888888888
8888888888
8888888888
8888888888
8888888888
8888888888

Field after 4 iterations (rounded after 4th iteration)

1449152522095321
1435634022138642
921312618139752
613171714119753
48111211109753
3689998753
3578888753
3467777642
2345555432
1222333221

Temperature in field 1x0 after 31 iterations: