Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 10°C. We apply continuously 173°C heat to the field 3x9
What is the temperature (rounded to whole numbers) in the field 6x9 after 34 iterations according to the Gauss-Seidel iteration

Field in the beginning

10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010
10101010101010101010

Field after 4 iterations (rounded after 4th iteration)

1233333321
2456666542
3567787753
3678898863
3678999863
3689101010863
361015151311973
3922363021141063
51949925630171063
62476234803113732

Temperature in field 6x9 after 34 iterations: