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 163°C heat to the field 6x5
What is the temperature (rounded to whole numbers) in the field 3x0 after 30 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
814182021212220158
10182325273033302212
11202528344660503417
122127334880124865124
12212837621252881316629
122128365591134955726
11192531425973614120
8141823293641362613
47101214171917126

Temperature in field 3x0 after 30 iterations: