Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 31°C. We apply continuously 171°C heat to the field 4x0
What is the temperature (rounded to whole numbers) in the field 1x0 after 64 iterations according to the Gauss-Seidel iteration

Field in the beginning

31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131
31313131313131313131

Field after 4 iterations (rounded after 4th iteration)

5123182239863720115
8183567109734529188
10193248635442312110
10192837444237302111
11192632363634292111
11192529323332282111
10182427293030262010
916212426262623179
712161819201917126
4689101010863

Temperature in field 1x0 after 64 iterations: