Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 30°C. We apply continuously 189°C heat to the field 1x2
What is the temperature (rounded to whole numbers) in the field 1x6 after 141 iterations according to the Gauss-Seidel iteration

Field in the beginning

30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030
30303030303030303030

Field after 4 iterations (rounded after 4th iteration)

193832231713111074
55115805033252017126
1023051357145332722168
64130956445353025189
36656251413531261910
22384240363330261910
15263133323129251910
1119242627272522168
813171920201916126
47910101010863

Temperature in field 1x6 after 141 iterations: