Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 29°C. We apply continuously 172°C heat to the field 6x2
What is the temperature (rounded to whole numbers) in the field 1x2 after 105 iterations according to the Gauss-Seidel iteration

Field in the beginning

29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929

Field after 4 iterations (rounded after 4th iteration)

478914253831199
71214193367113754218
8141927521192901266025
91621294885132915324
10172229405872614120
10172227344247433116
10172226293335322413
9151922252727251910
711151718191917136
3689101010863

Temperature in field 1x2 after 105 iterations: