Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 2°C. We apply continuously 81°C heat to the field 0x2
What is the temperature (rounded to whole numbers) in the field 5x3 after 139 iterations according to the Gauss-Seidel iteration

Field in the beginning

2222222222
2222222222
2222222222
2222222222
2222222222
2222222222
2222222222
2222222222
2222222222
2222222222

Field after 4 iterations (rounded after 4th iteration)

10963211100
3424137422110
109442010532211
3627169532211
1314107532211
6765432211
3443332211
1222222211
1122211110
0111111100

Temperature in field 5x3 after 139 iterations: