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 165°C heat to the field 7x6
What is the temperature (rounded to whole numbers) in the field 1x8 after 88 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
3466777753
3567881013116
357881224372815
35781124561006329
3578153810126510741
35681331651096932
2456101935483719
1223591519169

Temperature in field 1x8 after 88 iterations: