Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 39°C. We apply continuously 99°C heat to the field 1x2
What is the temperature (rounded to whole numbers) in the field 2x2 after 67 iterations according to the Gauss-Seidel iteration

Field in the beginning

39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939
39393939393939393939

Field after 4 iterations (rounded after 4th iteration)

132524201715141295
3469533931272421168
601728554413531272010
41816652433935312312
27475046424037322413
19344041403937332513
16273437383836322412
13222831333332282111
916212324252421157
5811121313121174

Temperature in field 2x2 after 67 iterations: