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 193°C heat to the field 4x0
What is the temperature (rounded to whole numbers) in the field 7x1 after 37 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)

5123390267954020115
7173672119784729178
9183250655642302010
9182737444236292010
10172430343432272010
10172327303029261910
917212527282724189
815192223242321158
611141617181715115
3678999853

Temperature in field 7x1 after 37 iterations: