Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 12°C. We apply continuously 95°C heat to the field 1x7
What is the temperature (rounded to whole numbers) in the field 2x4 after 108 iterations according to the Gauss-Seidel iteration

Field in the beginning

12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212
12121212121212121212

Field after 4 iterations (rounded after 4th iteration)

2334444431
3567777652
3688999863
47910101010974
51112121212111074
122422181513121084
285942271915121084
5115266342115121073
3061422617129752
13232014975431

Temperature in field 2x4 after 108 iterations: