Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 25°C. We apply continuously 73°C heat to the field 3x8
What is the temperature (rounded to whole numbers) in the field 2x3 after 113 iterations according to the Gauss-Seidel iteration

Field in the beginning

25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525
25252525252525252525

Field after 4 iterations (rounded after 4th iteration)

3678888863
610121415151513105
712161819191917137
814182021212119147
815192123232320158
815202426252421168
816263433292622168
920386045342621147
9235312759342316115
5142846312013963

Temperature in field 2x3 after 113 iterations: