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 200°C heat to the field 6x6
What is the temperature (rounded to whole numbers) in the field 3x8 after 47 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
0011112211
0111149863
01116203729178
01142059114713615
0129371143141255421
01282971125814319
0016173654432713
00138152119136

Temperature in field 3x8 after 47 iterations: