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 118°C heat to the field 8x7
What is the temperature (rounded to whole numbers) in the field 3x3 after 134 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)

4689999863
611131516161614116
813171920202018147
915192123232320169
9162023242524242113
9162023252528343823
9162023242736568143
81418202227438519670
6111415172133558042
367891217253118

Temperature in field 3x3 after 134 iterations: