Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 24°C. We apply continuously 121°C heat to the field 3x5
What is the temperature (rounded to whole numbers) in the field 3x2 after 120 iterations according to the Gauss-Seidel iteration

Field in the beginning

24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424
24242424242424242424

Field after 4 iterations (rounded after 4th iteration)

3678888753
61012141515141395
712172222211917126
816284137312521158
1026538864443224178
13368621097553726189
1231609670483526179
1022385146372922157
714222828242016115
471013131210853

Temperature in field 3x2 after 120 iterations: