Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 29°C. We apply continuously 126°C heat to the field 4x5
What is the temperature (rounded to whole numbers) in the field 8x4 after 106 iterations according to the Gauss-Seidel iteration

Field in the beginning

29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929
29292929292929292929

Field after 4 iterations (rounded after 4th iteration)

4789101010973
712141617181715126
814182227272521158
9162335474335271910
10193461977149342211
1022459622310661392512
102239691057754372412
9183045575141312010
713202733322721147
4710131515131174

Temperature in field 8x4 after 106 iterations: