Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 26°C. We apply continuously 108°C heat to the field 9x7
What is the temperature (rounded to whole numbers) in the field 3x2 after 106 iterations according to the Gauss-Seidel iteration

Field in the beginning

26262626262626262626
26262626262626262626
26262626262626262626
26262626262626262626
26262626262626262626
26262626262626262626
26262626262626262626
26262626262626262626
26262626262626262626
26262626262626262626

Field after 4 iterations (rounded after 4th iteration)

4688999863
610131415151514105
813161819201917137
814182122222220158
9151922232423211812
9152022242424242622
9151922232425314354
81417202122253767151
6101315161720274152
35788910141818

Temperature in field 3x2 after 106 iterations: