Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 34°C. We apply continuously 190°C heat to the field 9x1
What is the temperature (rounded to whole numbers) in the field 4x6 after 70 iterations according to the Gauss-Seidel iteration

Field in the beginning

34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434
34343434343434343434

Field after 4 iterations (rounded after 4th iteration)

581011111214265076
814171920212749105258
10172124252732477192
11192427283033394640
11202528303133343222
12202629313232312616
11202529303131292312
10182326272828251910
813171921212118137
47910111111973

Temperature in field 4x6 after 70 iterations: