Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 9°C. We apply continuously 140°C heat to the field 2x6
What is the temperature (rounded to whole numbers) in the field 6x8 after 134 iterations according to the Gauss-Seidel iteration

Field in the beginning

9999999999
9999999999
9999999999
9999999999
9999999999
9999999999
9999999999
9999999999
9999999999
9999999999

Field after 4 iterations (rounded after 4th iteration)

1233333321
2445555542
3467777652
37121211108753
6193227201411863
164686573420141073
2684225954625161173
205393633823151063
12284235241611752
61217161286421

Temperature in field 6x8 after 134 iterations: