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 125°C heat to the field 6x1
What is the temperature (rounded to whole numbers) in the field 1x1 after 87 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)

36710194070432310
61012183683206874017
7121622356295653817
8131722304354453015
8141822273336332412
8141821242729262011
814182123242522179
713161820212119147
59121415151513105
3567888752

Temperature in field 1x1 after 87 iterations: