Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 31°C. We apply continuously 128°C heat to the field 4x5
What is the temperature (rounded to whole numbers) in the field 4x1 after 62 iterations according to the Gauss-Seidel iteration

Field in the beginning

31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131

Field after 4 iterations (rounded after 4th iteration)

47910101110974
712151719191916126
915192428282622168
10172537494537292010
102035631007351362412
1124479922810963412613
112341711088056392512
10193147605343322111
714212934332922157
4710141616141184

Temperature in field 4x1 after 62 iterations: