Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 27°C. We apply continuously 122°C heat to the field 5x0
What is the temperature (rounded to whole numbers) in the field 6x6 after 61 iterations according to the Gauss-Seidel iteration

Field in the beginning

27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727

Field after 4 iterations (rounded after 4th iteration)

471224611726327136
611172951815433199
8142028394942312110
9152126323634282010
9162125283030261910
9162124262827251810
916202325262623179
814182122232220157
611141517171714105
3678999753

Temperature in field 6x6 after 61 iterations: