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 116°C heat to the field 4x6
What is the temperature (rounded to whole numbers) in the field 6x5 after 111 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)

47899109863
711141516171615116
814182021222119147
915202428282623179
9162435464235271910
10183258916747332211
102142892069857372311
9193562957048332110
714243748423324157
4712172120161284

Temperature in field 6x5 after 111 iterations: