Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 27°C. We apply continuously 94°C heat to the field 2x6
What is the temperature (rounded to whole numbers) in the field 7x9 after 60 iterations according to the Gauss-Seidel iteration

Field in the beginning

27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727
27272727272727272727

Field after 4 iterations (rounded after 4th iteration)

4689999863
611131516161614116
813171920212018147
916232525242321168
1125373632292623179
1843735642332824189
25681678150362924179
2047765842332722158
1327393529242016115
6121717151311863

Temperature in field 7x9 after 60 iterations: