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 100°C heat to the field 0x3
What is the temperature (rounded to whole numbers) in the field 7x4 after 57 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)

3321110000
131284211100
4330168421110
134542411632110
45321910532110
1616127432110
6875322110
3443221110
1222111100
0111110000

Temperature in field 7x4 after 57 iterations: