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 190°C heat to the field 9x6
What is the temperature (rounded to whole numbers) in the field 1x6 after 56 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
712141617171715116
814182022222219158
9162023242524222014
10172224262626283433
10172225262730416690
1017222426273455112263
9151922232530457092
7111517181922293735
368991011141613

Temperature in field 1x6 after 56 iterations: