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 168°C heat to the field 1x2
What is the temperature (rounded to whole numbers) in the field 1x6 after 148 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)

15302415964321
4596623520128642
8626310952271611863
521067344261712963
274842312216121073
142425211714121074
8141615141211973
58101110109863
3577777642
1334443321

Temperature in field 1x6 after 148 iterations: