Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 28°C. We apply continuously 138°C heat to the field 4x2
What is the temperature (rounded to whole numbers) in the field 7x3 after 110 iterations according to the Gauss-Seidel iteration

Field in the beginning

28282828282828282828
28282828282828282828
28282828282828282828
28282828282828282828
28282828282828282828
28282828282828282828
28282828282828282828
28282828282828282828
28282828282828282828
28282828282828282828

Field after 4 iterations (rounded after 4th iteration)

4711213227191394
713275693644126168
919429723610758352110
102139711097953362311
10203248625644332311
10182736424137302111
9172429323331271910
815202326272622168
611151718191816116
36899109863

Temperature in field 7x3 after 110 iterations: