Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 7°C. We apply continuously 149°C heat to the field 7x7
What is the temperature (rounded to whole numbers) in the field 5x6 after 47 iterations according to the Gauss-Seidel iteration

Field in the beginning

7777777777
7777777777
7777777777
7777777777
7777777777
7777777777
7777777777
7777777777
7777777777
7777777777

Field after 4 iterations (rounded after 4th iteration)

1222222221
2334444431
2345555542
2456666653
245666912106
245661021332513
245692150905625
24561233902389536
2345102556956027
112361325362713

Temperature in field 5x6 after 47 iterations: