Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 32°C. We apply continuously 61°C heat to the field 8x1
What is the temperature (rounded to whole numbers) in the field 4x3 after 105 iterations according to the Gauss-Seidel iteration

Field in the beginning

32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232
32323232323232323232

Field after 4 iterations (rounded after 4th iteration)

47910111216253719
71316181921295010538
9162023242732425227
10182325272932353319
11192427293031312615
11192427293031292312
11192427293029272111
1017212426272623179
713161819201917126
47810101110963

Temperature in field 4x3 after 105 iterations: