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 69°C heat to the field 0x1
What is the temperature (rounded to whole numbers) in the field 4x1 after 50 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)

261794211000
9136157321100
3122137421110
111185321110
4653221110
2332211110
1222111110
1111111110
0111111100
0000000000

Temperature in field 4x1 after 50 iterations: