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 193°C heat to the field 1x2
What is the temperature (rounded to whole numbers) in the field 5x5 after 90 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)

214135262016141295
58121855539302622168
10731614379524033282011
6813710372534337322312
40716959504339332513
25444948454239342513
18323840403937332412
14243033343433292111
1017212425252421158
5911121313131184

Temperature in field 5x5 after 90 iterations: