Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 1°C. We apply continuously 127°C heat to the field 7x0
What is the temperature (rounded to whole numbers) in the field 6x9 after 77 iterations according to the Gauss-Seidel iteration

Field in the beginning

1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111

Field after 4 iterations (rounded after 4th iteration)

0001416541705618
000151537684017
001141020302211
0111261014126
0111235763
0111123332
0111112221
0111111111
0011111110
0000000000

Temperature in field 6x9 after 77 iterations: