Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 17°C. We apply continuously 82°C heat to the field 6x1
What is the temperature (rounded to whole numbers) in the field 4x1 after 106 iterations according to the Gauss-Seidel iteration

Field in the beginning

17171717171717171717
17171717171717171717
17171717171717171717
17171717171717171717
17171717171717171717
17171717171717171717
17171717171717171717
17171717171717171717
17171717171717171717
17171717171717171717

Field after 4 iterations (rounded after 4th iteration)

245713274629156
479132455136582711
581115244163432512
591215212936302110
610131519222522169
610131517192018147
610131516171716126
59111314151513105
47910101111973
2345565532

Temperature in field 4x1 after 106 iterations: