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 167°C heat to the field 7x0
What is the temperature (rounded to whole numbers) in the field 5x8 after 65 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)

46891430802317926
61113162135641026227
8131720243346564221
9151922252935383016
9162023252830292313
9162023252727262011
916202324252623189
814182022232220158
611141516171714105
3678999753

Temperature in field 5x8 after 65 iterations: