Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 36°C. We apply continuously 144°C heat to the field 2x9
What is the temperature (rounded to whole numbers) in the field 7x2 after 40 iterations according to the Gauss-Seidel iteration

Field in the beginning

36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636
36363636363636363636

Field after 4 iterations (rounded after 4th iteration)

5810111212121184
814182021212119147
1018232527272724189
11202528303130272111
12212730323332292212
12212832333433302312
12233236363533302211
14324845393532271910
2051896242312620147
2168202743420151174

Temperature in field 7x2 after 40 iterations: