Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 40°C. We apply continuously 96°C heat to the field 1x1
What is the temperature (rounded to whole numbers) in the field 8x3 after 112 iterations according to the Gauss-Seidel iteration

Field in the beginning

40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040
40404040404040404040

Field after 4 iterations (rounded after 4th iteration)

275639261916141295
56161774633282522168
39776248393532282111
26464844413836312312
19333941403937332513
16283538393938342513
14253236373837332413
12222831333433292111
916212325252421158
5811121313131184

Temperature in field 8x3 after 112 iterations: