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 146°C heat to the field 7x8
What is the temperature (rounded to whole numbers) in the field 2x8 after 135 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)

0000000000
0001111100
0011111110
0111111110
0111111111
0111113764
01111415272111
011131543825022
0011626812258632
000151743774519

Temperature in field 2x8 after 135 iterations: